first commit

1 year ago · 78a47ab03c
commit 78a47ab03c
18 changed files with 2829 additions and 0 deletions
--- a/51
+++ b/51
@ -0,0 +1,51 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=luci-app-diskman
+
+PKG_MAINTAINER:=lisaac <lisaac.cn@gmail.com>
+PKG_LICENSE:=AGPL-3.0
+
+LUCI_TITLE:=Disk Manager interface for LuCI
+LUCI_DEPENDS:=+blkid +e2fsprogs +parted +smartmontools \
+	+PACKAGE_$(PKG_NAME)_INCLUDE_btrfs_progs:btrfs-progs \
+	+PACKAGE_$(PKG_NAME)_INCLUDE_lsblk:lsblk \
+	+PACKAGE_$(PKG_NAME)_INCLUDE_mdadm:mdadm \
+	+PACKAGE_$(PKG_NAME)_INCLUDE_kmod_md_raid456:mdadm \
+	+PACKAGE_$(PKG_NAME)_INCLUDE_kmod_md_raid456:kmod-md-raid456 \
+	+PACKAGE_$(PKG_NAME)_INCLUDE_kmod_md_linears:mdadm \
+	+PACKAGE_$(PKG_NAME)_INCLUDE_kmod_md_linears:kmod-md-linear
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/$(PKG_NAME)/config
+config PACKAGE_$(PKG_NAME)_INCLUDE_btrfs_progs
+	bool "Include btrfs-progs"
+	default n
+
+config PACKAGE_$(PKG_NAME)_INCLUDE_lsblk
+	bool "Include lsblk"
+	default n
+
+config PACKAGE_$(PKG_NAME)_INCLUDE_mdadm
+	bool "Include mdadm"
+	default n
+
+config PACKAGE_$(PKG_NAME)_INCLUDE_kmod_md_raid456
+	depends on PACKAGE_$(PKG_NAME)_INCLUDE_mdadm
+	bool "Include kmod-md-raid456"
+	default n
+
+config PACKAGE_$(PKG_NAME)_INCLUDE_kmod_md_linear
+	depends on PACKAGE_$(PKG_NAME)_INCLUDE_mdadm
+	bool "Include kmod-md-linear"
+	default n
+endef
+
+define Package/$(PKG_NAME)/postinst
+#!/bin/sh
+rm -fr /tmp/luci-indexcache /tmp/luci-modulecache
+endef
+
+include $(TOPDIR)/feeds/luci/luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature
--- a/README.md
+++ b/README.md
--- a/luasrc/controller/diskman.lua
+++ b/luasrc/controller/diskman.lua
@ -0,0 +1,151 @@
+--[[
+LuCI - Lua Configuration Interface
+Copyright 2019 lisaac <https://github.com/lisaac/luci-app-diskman>
+]]--
+
+require "luci.util"
+module("luci.controller.diskman",package.seeall)
+
+function index()
+  -- check all used executables in disk management are existed
+  local CMD = {"parted", "blkid", "smartctl"}
+  local executables_all_existed = true
+  for _, cmd in ipairs(CMD) do
+    local command = luci.sys.exec("/usr/bin/which " .. cmd)
+    if not command:match(cmd) then
+      executables_all_existed = false
+      break
+    end
+  end
+
+  if not executables_all_existed then return end
+  -- entry(path, target, title, order)
+  -- set leaf attr to true to pass argument throughe url (e.g. admin/system/disk/partition/sda)
+  entry({"admin", "nas", "diskman"}, alias("admin", "nas", "diskman", "disks"), _("Disk Man"), 55)
+  entry({"admin", "nas", "diskman", "disks"}, form("diskman/disks"), nil).leaf = true
+  entry({"admin", "nas", "diskman", "partition"}, form("diskman/partition"), nil).leaf = true
+  entry({"admin", "nas", "diskman", "btrfs"}, form("diskman/btrfs"), nil).leaf = true
+  entry({"admin", "nas", "diskman", "format_partition"}, call("format_partition"), nil).leaf = true
+  entry({"admin", "nas", "diskman", "get_disk_info"}, call("get_disk_info"), nil).leaf = true
+  entry({"admin", "nas", "diskman", "mk_p_table"}, call("mk_p_table"), nil).leaf = true
+  entry({"admin", "nas", "diskman", "smartdetail"}, call("smart_detail"), nil).leaf = true
+  entry({"admin", "nas", "diskman", "smartattr"}, call("smart_attr"), nil).leaf = true
+end
+
+function format_partition()
+  local partation_name = luci.http.formvalue("partation_name")
+  local fs = luci.http.formvalue("file_system")
+  if not partation_name then
+    luci.http.status(500, "Partition NOT found!")
+    luci.http.write_json("Partition NOT found!")
+    return
+  elseif not nixio.fs.access("/dev/"..partation_name) then
+    luci.http.status(500, "Partition NOT found!")
+    luci.http.write_json("Partition NOT found!")
+    return
+  elseif not fs then
+    luci.http.status(500, "no file system")
+    luci.http.write_json("no file system")
+    return
+  end
+  local dm = require "luci.model.diskman"
+  code, msg = dm.format_partition(partation_name, fs)
+  luci.http.status(code, msg)
+  luci.http.write_json(msg)
+end
+
+function get_disk_info(dev)
+  if not dev then
+    luci.http.status(500, "no device")
+    luci.http.write_json("no device")
+    return
+  elseif not nixio.fs.access("/dev/"..dev) then
+    luci.http.status(500, "no device")
+    luci.http.write_json("no device")
+    return
+  end
+  local dm = require "luci.model.diskman"
+  local device_info = dm.get_disk_info(dev)
+  luci.http.status(200, "ok")
+  luci.http.prepare_content("application/json")
+  luci.http.write_json(device_info)
+end
+
+function mk_p_table()
+  local p_table = luci.http.formvalue("p_table")
+  local dev = luci.http.formvalue("dev")
+  if not dev then
+    luci.http.status(500, "no device")
+    luci.http.write_json("no device")
+    return
+  elseif not nixio.fs.access("/dev/"..dev) then
+    luci.http.status(500, "no device")
+    luci.http.write_json("no device")
+    return
+  end
+  local dm = require "luci.model.diskman"
+  if p_table == "GPT" or p_table == "MBR" then
+    p_table = p_table == "MBR" and "msdos" or "gpt"
+    local res = luci.sys.call(dm.command.parted .. " -s /dev/" .. dev .. " mktable ".. p_table)
+    if res == 0 then
+      luci.http.status(200, "ok")
+    else
+      luci.http.status(500, "command exec error")
+    end
+    luci.http.prepare_content("application/json")
+    luci.http.write_json({code=res})
+  else
+    luci.http.status(404, "not support")
+    luci.http.prepare_content("application/json")
+    luci.http.write_json({code="1"})
+  end
+end
+
+function smart_detail(dev)
+  luci.template.render("diskman/smart_detail", {dev=dev})
+end
+
+function smart_attr(dev)
+  local attr = { }
+  local dm = require "luci.model.diskman"
+  local cmd = io.popen(dm.command.smartctl ..  " -H -A -i /dev/%s" % dev)
+  if cmd then
+    local content = cmd:read("*all")
+    local ln
+    cmd:close()
+    if content:match("NVMe Version:")then
+      for ln in string.gmatch(content,'[^\r\n]+') do
+        if ln:match("^(.-):%s+(.+)") then
+          local key, value = ln:match("^(.-):%s+(.+)")
+          attr[#attr+1]= {
+              key = key,
+              value = value
+            }
+        end
+      end
+    else
+      for ln in string.gmatch(content,'[^\r\n]+') do
+        if ln:match("^.*%d+%s+.+%s+.+%s+.+%s+.+%s+.+%s+.+%s+.+%s+.+%s+.+") then
+          local id,attrbute,flag,value,worst,thresh,type,updated,raw = ln:match("^%s*(%d+)%s+([%a%p]+)%s+(%w+)%s+(%d+)%s+(%d+)%s+(%d+)%s+([%a%p]+)%s+(%a+)%s+[%w%p]+%s+(.+)")
+          id= "%x" % id
+          if not id:match("^%w%w") then
+            id = "0%s" % id
+          end
+          attr[#attr+1]= {
+              id = id:upper(),
+              attrbute = attrbute,
+              flag  = flag,
+              value = value,
+              worst = worst,
+              thresh  = thresh,
+              type = type,
+              updated = updated,
+              raw  = raw
+            }
+        end
+      end
+    end
+  end
+  luci.http.prepare_content("application/json")
+  luci.http.write_json(attr)
+end
--- a/luasrc/model/cbi/diskman/btrfs.lua
+++ b/luasrc/model/cbi/diskman/btrfs.lua
@ -0,0 +1,210 @@
+--[[
+LuCI - Lua Configuration Interface
+Copyright 2019 lisaac <https://github.com/lisaac/luci-app-diskman>
+]]--
+
+require "luci.util"
+require("luci.tools.webadmin")
+local dm = require "luci.model.diskman"
+local uuid = arg[1]
+
+if not uuid then luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman")) end
+
+-- mount subv=/ to tempfs
+mount_point = "/tmp/.btrfs_tmp"
+nixio.fs.mkdirr(mount_point)
+luci.util.exec(dm.command.umount .. " "..mount_point .. " >/dev/null 2>&1")
+luci.util.exec(dm.command.mount .. " -t btrfs -o subvol=/ UUID="..uuid.." "..mount_point)
+
+m = SimpleForm("btrfs", translate("Btrfs"), translate("Manage Btrfs"))
+m.template = "diskman/cbi/xsimpleform"
+m.redirect = luci.dispatcher.build_url("admin/system/diskman")
+m.submit = false
+m.reset = false
+
+-- info
+local btrfs_info = dm.get_btrfs_info(mount_point)
+local table_btrfs_info = m:section(Table, {btrfs_info}, translate("Btrfs Info"))
+table_btrfs_info:option(DummyValue, "uuid", translate("UUID"))
+table_btrfs_info:option(DummyValue, "members", translate("Members"))
+table_btrfs_info:option(DummyValue, "data_raid_level", translate("Data"))
+table_btrfs_info:option(DummyValue, "metadata_raid_lavel", translate("Metadata"))
+table_btrfs_info:option(DummyValue, "size_formated", translate("Size"))
+table_btrfs_info:option(DummyValue, "used_formated", translate("Used"))
+table_btrfs_info:option(DummyValue, "free_formated", translate("Free Space"))
+table_btrfs_info:option(DummyValue, "usage", translate("Usage"))
+local v_btrfs_label = table_btrfs_info:option(Value, "label", translate("Label"))
+local value_btrfs_label = ""
+v_btrfs_label.write = function(self, section, value)
+  value_btrfs_label = value or ""
+end
+local btn_update_label = table_btrfs_info:option(Button, "_update_label")
+btn_update_label.inputtitle = translate("Update")
+btn_update_label.inputstyle = "edit"
+btn_update_label.write = function(self, section, value)
+  local cmd = dm.command.btrfs .. " filesystem label " .. mount_point .. " " .. value_btrfs_label
+  local res = luci.util.exec(cmd)
+  luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
+end
+-- subvolume
+local subvolume_list = dm.get_btrfs_subv(mount_point)
+subvolume_list["_"] = { ID = 0 }
+table_subvolume = m:section(Table, subvolume_list, translate("SubVolumes"))
+table_subvolume:option(DummyValue, "id", translate("ID"))
+table_subvolume:option(DummyValue, "top_level", translate("Top Level"))
+table_subvolume:option(DummyValue, "uuid", translate("UUID"))
+table_subvolume:option(DummyValue, "otime", translate("Otime"))
+table_subvolume:option(DummyValue, "snapshots", translate("Snapshots"))
+local v_path = table_subvolume:option(Value, "path", translate("Path"))
+v_path.forcewrite = true
+v_path.render = function(self, section, scope)
+  if subvolume_list[section].ID == 0 then
+    self.template = "cbi/value"
+    self.placeholder = "/my_subvolume"
+    self.forcewrite = true
+    Value.render(self, section, scope)
+  else
+    self.template = "cbi/dvalue"
+    DummyValue.render(self, section, scope)
+  end
+end
+local value_path
+v_path.write = function(self, section, value)
+  value_path = value
+end
+local btn_set_default = table_subvolume:option(Button, "_subv_set_default", translate("Set Default"))
+btn_set_default.forcewrite = true
+btn_set_default.inputstyle = "edit"
+btn_set_default.template = "diskman/cbi/disabled_button"
+btn_set_default.render = function(self, section, scope)
+  if subvolume_list[section].default_subvolume then
+    self.view_disabled = true
+    self.inputtitle = translate("Set Default")
+  elseif subvolume_list[section].ID == 0 then
+    self.template = "cbi/dvalue"
+  else
+    self.inputtitle = translate("Set Default")
+    self.view_disabled = false
+  end
+  Button.render(self, section, scope)
+end
+btn_set_default.write = function(self, section, value)
+  local cmd
+  if value == translate("Set Default") then
+    cmd = dm.command.btrfs .. " subvolume set-default " .. mount_point..subvolume_list[section].path
+  else
+    cmd = dm.command.btrfs .. " subvolume set-default " .. mount_point.."/"
+  end
+  local res = luci.util.exec(cmd.. " 2>&1")
+  if res and (res:match("ERR") or res:match("not enough arguments")) then
+    m.errmessage = res
+  else
+    luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
+  end
+end
+local btn_remove = table_subvolume:option(Button, "_subv_remove")
+btn_remove.template = "diskman/cbi/disabled_button"
+btn_remove.forcewrite = true
+btn_remove.render = function(self, section, scope)
+  if subvolume_list[section].ID == 0 then
+    btn_remove.inputtitle = translate("Create")
+    btn_remove.inputstyle = "add"
+    self.view_disabled = false
+  elseif subvolume_list[section].path == "/" or subvolume_list[section].default_subvolume then
+    btn_remove.inputtitle = translate("Delete")
+    btn_remove.inputstyle = "remove"
+    self.view_disabled = true
+  else
+    btn_remove.inputtitle = translate("Delete")
+    btn_remove.inputstyle = "remove"
+    self.view_disabled = false
+  end
+  Button.render(self, section, scope)
+end
+
+btn_remove.write = function(self, section, value)
+  local cmd
+  if value == translate("Delete") then
+    cmd = dm.command.btrfs .. " subvolume delete " .. mount_point .. subvolume_list[section].path
+  elseif value == translate("Create") then
+    if value_path and value_path:match("^/") then
+      cmd = dm.command.btrfs .. " subvolume create " .. mount_point .. value_path
+    else
+      m.errmessage = translate("Please input Subvolume Path, Subvolume must start with '/'")
+      return
+    end
+  end
+  local res = luci.util.exec(cmd.. " 2>&1")
+  if res and (res:match("ERR") or res:match("not enough arguments")) then
+    m.errmessage = luci.util.pcdata(res)
+  else
+    luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
+  end
+end
+-- snapshot
+-- local snapshot_list = dm.get_btrfs_subv(mount_point, 1)
+-- table_snapshot = m:section(Table, snapshot_list, translate("Snapshots"))
+-- table_snapshot:option(DummyValue, "id", translate("ID"))
+-- table_snapshot:option(DummyValue, "top_level", translate("Top Level"))
+-- table_snapshot:option(DummyValue, "uuid", translate("UUID"))
+-- table_snapshot:option(DummyValue, "otime", translate("Otime"))
+-- table_snapshot:option(DummyValue, "path", translate("Path"))
+-- local snp_remove = table_snapshot:option(Button, "_snp_remove")
+-- snp_remove.inputtitle = translate("Delete")
+-- snp_remove.inputstyle = "remove"
+-- snp_remove.write = function(self, section, value)
+--   local cmd = dm.command.btrfs .. " subvolume delete " .. mount_point .. snapshot_list[section].path
+--   local res = luci.util.exec(cmd.. " 2>&1")
+--   if res and (res:match("ERR") or res:match("not enough arguments")) then
+--     m.errmessage = luci.util.pcdata(res)
+--   else
+--     luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
+--   end
+-- end
+
+-- new snapshots
+local s_snapshot = m:section(SimpleSection, translate("New Snapshot"))
+local value_sorce, value_dest, value_readonly
+local v_sorce = s_snapshot:option(Value, "_source", translate("Source Path"), translate("The source path for create the snapshot"))
+v_sorce.placeholder = "/data"
+v_sorce.forcewrite = true
+v_sorce.write = function(self, section, value)
+  value_sorce = value
+end
+
+local v_readonly = s_snapshot:option(Flag, "_readonly", translate("Readonly"), translate("The path where you want to store the snapshot"))
+v_readonly.forcewrite = true
+v_readonly.rmempty = false
+v_readonly.disabled = 0
+v_readonly.enabled = 1
+v_readonly.default = 1
+v_readonly.write = function(self, section, value)
+  value_readonly = value
+end
+local v_dest = s_snapshot:option(Value, "_dest", translate("Destination Path (optional)"))
+v_dest.forcewrite = true
+v_dest.placeholder = "/.snapshot/202002051538"
+v_dest.write = function(self, section, value)
+  value_dest = value
+end
+local btn_snp_create = s_snapshot:option(Button, "_snp_create")
+btn_snp_create.title = " "
+btn_snp_create.inputtitle = translate("New Snapshot")
+btn_snp_create.inputstyle = "add"
+btn_snp_create.write = function(self, section, value)
+  if value_sorce and value_sorce:match("^/") then
+    if not value_dest then value_dest = "/.snapshot"..value_sorce.."/"..os.date("%Y%m%d%H%M%S") end
+    nixio.fs.mkdirr(mount_point..value_dest:match("(.-)[^/]+$"))
+    local cmd = dm.command.btrfs .. " subvolume snapshot" .. (value_readonly == 1 and " -r " or " ") .. mount_point..value_sorce .. " " .. mount_point..value_dest
+    local res = luci.util.exec(cmd .. " 2>&1")
+    if res and (res:match("ERR") or res:match("not enough arguments")) then
+      m.errmessage = luci.util.pcdata(res)
+    else
+      luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/btrfs/" .. uuid))
+    end
+  else
+    m.errmessage = translate("Please input Source Path of snapshot, Source Path must start with '/'")
+  end
+end
+
+return m
--- a/luasrc/model/cbi/diskman/disks.lua
+++ b/luasrc/model/cbi/diskman/disks.lua
@ -0,0 +1,360 @@
+--[[
+LuCI - Lua Configuration Interface
+Copyright 2019 lisaac <https://github.com/lisaac/luci-app-diskman>
+]]--
+
+require "luci.util"
+require("luci.tools.webadmin")
+local dm = require "luci.model.diskman"
+
+-- Use (non-UCI) SimpleForm since we have no related config file
+m = SimpleForm("diskman", translate("DiskMan"), translate("Manage Disks over LuCI."))
+m.template = "diskman/cbi/xsimpleform"
+m:append(Template("diskman/disk_info"))
+-- disable submit and reset button
+m.submit = false
+m.reset = false
+-- rescan disks
+rescan = m:section(SimpleSection)
+rescan_button = rescan:option(Button, "_rescan")
+rescan_button.inputtitle= translate("Rescan Disks")
+rescan_button.template = "diskman/cbi/inlinebutton"
+rescan_button.inputstyle = "add"
+rescan_button.forcewrite = true
+rescan_button.write = function(self, section, value)
+  luci.util.exec("echo '- - -' | tee /sys/class/scsi_host/host*/scan > /dev/null")
+  if dm.command.mdadm then
+    luci.util.exec(dm.command.mdadm .. " --assemble --scan")
+  end
+  luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+end
+
+-- disks
+local disks = dm.list_devices()
+d = m:section(Table, disks, translate("Disks"))
+d.config = "disk"
+-- option(type, id(key of table), text)
+d:option(DummyValue, "path", translate("Path"))
+d:option(DummyValue, "model", translate("Model"))
+d:option(DummyValue, "sn", translate("Serial Number"))
+d:option(DummyValue, "size_formated", translate("Size"))
+d:option(DummyValue, "temp", translate("Temp"))
+-- d:option(DummyValue, "sec_size", translate("Sector Size "))
+d:option(DummyValue, "p_table", translate("Partition Table"))
+d:option(DummyValue, "sata_ver", translate("SATA Version"))
+-- d:option(DummyValue, "rota_rate", translate("Rotation Rate"))
+d:option(DummyValue, "health_status", translate("Health") .. "<br/>" .. translate("Status"))
+-- d:option(DummyValue, "status", translate("Status"))
+
+local btn_eject = d:option(Button, "_eject")
+btn_eject.template = "diskman/cbi/disabled_button"
+btn_eject.inputstyle = "remove"
+btn_eject.inputtitle = translate("Eject")
+btn_eject.forcewrite = true
+btn_eject.write = function(self, section, value)
+  local dev = section
+  local disk_info = dm.get_disk_info(dev, true)
+  if disk_info.p_table:match("Raid") then
+    m.errmessage = translate("Unsupported raid reject!")
+    return
+  end
+  for i, p in ipairs(disk_info.partitions) do
+    if p.mount_point ~= "-" then
+      m.errmessage = p.name .. translate("is in use! please unmount it first!")
+      return
+    end
+  end
+  if disk_info.type:match("md") then
+    luci.util.exec(dm.command.mdadm .. " --stop /dev/" .. dev)
+    luci.util.exec(dm.command.mdadm .. " --remove /dev/" .. dev)
+    for _, disk in ipairs(disk_info.members) do
+      luci.util.exec(dm.command.mdadm .. " --zero-superblock " .. disk)
+    end
+    dm.gen_mdadm_config()
+  else
+    luci.util.exec("echo 1 > /sys/block/" .. dev .. "/device/delete")
+  end
+  luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+end
+
+d.extedit = luci.dispatcher.build_url("admin/system/diskman/partition/%s")
+
+-- raid devices
+if dm.command.mdadm then
+  local raid_devices = dm.list_raid_devices()
+  -- raid_devices = diskmanager.getRAIDdevices()
+  if next(raid_devices) ~= nil then
+    local r = m:section(Table, raid_devices, translate("RAID Devices"))
+    r.config = "_raid"
+    r:option(DummyValue, "path", translate("Path"))
+    r:option(DummyValue, "level", translate("RAID mode"))
+    r:option(DummyValue, "size_formated", translate("Size"))
+    r:option(DummyValue, "p_table", translate("Partition Table"))
+    r:option(DummyValue, "status", translate("Status"))
+    r:option(DummyValue, "members_str", translate("Members"))
+    r:option(DummyValue, "active", translate("Active"))
+    r.extedit  = luci.dispatcher.build_url("admin/system/diskman/partition/%s")
+  end
+end
+
+-- btrfs devices
+if dm.command.btrfs then
+  btrfs_devices = dm.list_btrfs_devices()
+  if next(btrfs_devices) ~= nil then
+    local table_btrfs = m:section(Table, btrfs_devices, translate("Btrfs"))
+    table_btrfs:option(DummyValue, "uuid", translate("UUID"))
+    table_btrfs:option(DummyValue, "label", translate("Label"))
+    table_btrfs:option(DummyValue, "members", translate("Members"))
+    -- sieze is error, since there is RAID
+    -- table_btrfs:option(DummyValue, "size_formated", translate("Size"))
+    table_btrfs:option(DummyValue, "used_formated", translate("Usage"))
+    table_btrfs.extedit  = luci.dispatcher.build_url("admin/system/diskman/btrfs/%s")
+  end
+end
+
+-- mount point
+local mount_point = dm.get_mount_points()
+local _mount_point = {}
+table.insert( mount_point, { device = 0 } )
+local table_mp = m:section(Table, mount_point, translate("Mount Point"))
+local v_device = table_mp:option(Value, "device", translate("Device"))
+v_device.render = function(self, section, scope)
+  if mount_point[section].device == 0 then
+    self.template = "cbi/value"
+    self.forcewrite = true
+    for dev, info in pairs(disks) do
+      for i, v in ipairs(info.partitions) do
+        self:value("/dev/".. v.name, "/dev/".. v.name .. " ".. v.size_formated)
+      end
+    end
+    Value.render(self, section, scope)
+  else
+    self.template = "cbi/dvalue"
+    DummyValue.render(self, section, scope)
+  end
+end
+v_device.write = function(self, section, value)
+  _mount_point.device = value and value:gsub("%s+", "") or ""
+end
+local v_fs = table_mp:option(Value, "fs", translate("File System"))
+v_fs.render = function(self, section, scope)
+  if mount_point[section].device == 0 then
+    self.template = "cbi/value"
+    self:value("auto", "auto")
+    self.default = "auto"
+    self.forcewrite = true
+    Value.render(self, section, scope)
+  else
+    self.template = "cbi/dvalue"
+    DummyValue.render(self, section, scope)
+  end
+end
+v_fs.write = function(self, section, value)
+  _mount_point.fs = value and value:gsub("%s+", "") or ""
+end
+local v_mount_option = table_mp:option(Value, "mount_options", translate("Mount Options"))
+v_mount_option.render = function(self, section, scope)
+  if mount_point[section].device == 0 then
+    self.template = "cbi/value"
+    self.placeholder = "rw,noauto"
+    self.forcewrite = true
+    Value.render(self, section, scope)
+  else
+    self.template = "cbi/dvalue"
+    local mp = mount_point[section].mount_options
+    mount_point[section].mount_options = nil
+    local length = 0
+    for k in mp:gmatch("([^,]+)") do
+      mount_point[section].mount_options = mount_point[section].mount_options and (mount_point[section].mount_options .. ",") or ""
+      if length > 20 then
+        mount_point[section].mount_options = mount_point[section].mount_options.. " <br>"
+        length = 0
+      end
+      mount_point[section].mount_options = mount_point[section].mount_options .. k
+      length = length + #k
+    end
+    self.rawhtml = true
+    -- mount_point[section].mount_options = #mount_point[section].mount_options > 50 and mount_point[section].mount_options:sub(1,50) .. "..." or mount_point[section].mount_options
+    DummyValue.render(self, section, scope)
+  end
+end
+v_mount_option.write = function(self, section, value)
+  _mount_point.mount_options = value and value:gsub("%s+", "") or ""
+end
+local v_mount_point = table_mp:option(Value, "mount_point", translate("Mount Point"))
+v_mount_point.render = function(self, section, scope)
+  if mount_point[section].device == 0 then
+    self.template = "cbi/value"
+    self.placeholder = "/media/diskX"
+    self.forcewrite = true
+    Value.render(self, section, scope)
+  else
+    self.template = "cbi/dvalue"
+    local new_mp = ""
+    local v_mp_d
+    for v_mp_d in self["section"]["data"][section]["mount_point"]:gmatch('[^/]+') do
+      if #v_mp_d > 12 then
+        new_mp = new_mp .. "/" .. v_mp_d:sub(1,7) .. ".." .. v_mp_d:sub(-4)
+      else
+        new_mp = new_mp .."/".. v_mp_d
+      end
+    end
+    self["section"]["data"][section]["mount_point"] = '<span title="'..self["section"]["data"][section]["mount_point"] .. '" >'..new_mp..'</span>'
+    self.rawhtml = true
+    DummyValue.render(self, section, scope)
+  end
+end
+v_mount_point.write = function(self, section, value)
+  _mount_point.mount_point = value
+end
+local btn_umount = table_mp:option(Button, "_mount", translate("Mount"))
+btn_umount.forcewrite = true
+btn_umount.render = function(self, section, scope)
+  if mount_point[section].device == 0 then
+    self.inputtitle = translate("Mount")
+    btn_umount.inputstyle = "add"
+  else
+    self.inputtitle = translate("Umount")
+    btn_umount.inputstyle = "remove"
+  end
+  Button.render(self, section, scope)
+end
+btn_umount.write = function(self, section, value)
+  local res
+  if value == translate("Mount") then
+    if not _mount_point.mount_point or not _mount_point.device then return end
+    luci.util.exec("mkdir -p ".. _mount_point.mount_point)
+    res = luci.util.exec(dm.command.mount .. " ".. _mount_point.device .. (_mount_point.fs and (" -t ".. _mount_point.fs )or "") .. (_mount_point.mount_options and (" -o " .. _mount_point.mount_options.. " ") or  " ").._mount_point.mount_point .. " 2>&1")
+  elseif value == translate("Umount") then
+    res = luci.util.exec(dm.command.umount .. " "..mount_point[section].mount_point .. " 2>&1")
+  end
+  if res:match("^mount:") or res:match("^umount:") then
+    m.errmessage = luci.util.pcdata(res)
+  else
+    luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+  end
+end
+
+if dm.command.mdadm or dm.command.btrfs then
+local creation_section = m:section(TypedSection, "_creation")
+creation_section.cfgsections=function()
+  return {translate("Creation")}
+end
+creation_section:tab("raid",  translate("RAID"), translate("RAID Creation"))
+creation_section:tab("btrfs", translate("Btrfs"), translate("Multiple Devices Btrfs Creation"))
+
+-- raid functions
+if dm.command.mdadm then
+
+  local rname, rmembers, rlevel
+  local r_name = creation_section:taboption("raid", Value, "_rname", translate("Raid Name"))
+  r_name.placeholder = dm.find_free_md_device()
+  r_name.write = function(self, section, value)
+    rname = value
+  end
+  local r_level = creation_section:taboption("raid", ListValue, "_rlevel", translate("Raid Level"))
+  local valid_raid = luci.util.exec("grep -m1 'Personalities :' /proc/mdstat")
+  if valid_raid:match("%[linear%]") then
+    r_level:value("linear", "Linear")
+  end
+  if valid_raid:match("%[raid5%]") then
+    r_level:value("5", "Raid 5")
+  end
+  if valid_raid:match("%[raid6%]") then
+    r_level:value("6", "Raid 6")
+  end
+  if valid_raid:match("%[raid1%]") then
+    r_level:value("1", "Raid 1")
+  end
+  if valid_raid:match("%[raid0%]") then
+    r_level:value("0", "Raid 0")
+  end
+  if valid_raid:match("%[raid10%]") then
+    r_level:value("10", "Raid 10")
+  end
+  r_level.write = function(self, section, value)
+    rlevel = value
+  end
+  local r_member = creation_section:taboption("raid", DynamicList, "_rmember", translate("Raid Member"))
+  for dev, info in pairs(disks) do
+    if not info.inuse and  #info.partitions == 0  then
+        r_member:value(info.path, info.path.. " ".. info.size_formated)
+    end
+    for i, v in ipairs(info.partitions) do
+      if not v.inuse then
+        r_member:value("/dev/".. v.name, "/dev/".. v.name .. " ".. v.size_formated)
+      end
+    end
+  end
+  r_member.write = function(self, section, value)
+    rmembers = value
+  end
+  local r_create = creation_section:taboption("raid", Button, "_rcreate")
+  r_create.render = function(self, section, scope)
+    self.title = " "
+    self.inputtitle = translate("Create Raid")
+    self.inputstyle = "add"
+    Button.render(self, section, scope)
+  end
+  r_create.write = function(self, section, value)
+    -- mdadm --create --verbose /dev/md0 --level=stripe --raid-devices=2 /dev/sdb6 /dev/sdc5
+    local res = dm.create_raid(rname, rlevel, rmembers)
+    if res and res:match("^ERR") then
+      m.errmessage = luci.util.pcdata(res)
+      return
+    end
+    dm.gen_mdadm_config()
+    luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+  end
+end
+
+-- btrfs
+if dm.command.btrfs then
+  local blabel, bmembers, blevel
+  local btrfs_label = creation_section:taboption("btrfs", Value, "_blabel", translate("Btrfs Label"))
+  btrfs_label.write = function(self, section, value)
+    blabel = value
+  end
+  local btrfs_level = creation_section:taboption("btrfs", ListValue, "_blevel", translate("Btrfs Raid Level"))
+  btrfs_level:value("single", "Single")
+  btrfs_level:value("raid0", "Raid 0")
+  btrfs_level:value("raid1", "Raid 1")
+  btrfs_level:value("raid10", "Raid 10")
+  btrfs_level.write = function(self, section, value)
+    blevel = value
+  end
+
+  local btrfs_member = creation_section:taboption("btrfs", DynamicList, "_bmember", translate("Btrfs Member"))
+  for dev, info in pairs(disks) do
+    if not info.inuse and  #info.partitions == 0  then
+      btrfs_member:value(info.path, info.path.. " ".. info.size_formated)
+    end
+    for i, v in ipairs(info.partitions) do
+      if not v.inuse then
+        btrfs_member:value("/dev/".. v.name, "/dev/".. v.name .. " ".. v.size_formated)
+      end
+    end
+  end
+  btrfs_member.write = function(self, section, value)
+    bmembers = value
+  end
+  local btrfs_create = creation_section:taboption("btrfs", Button, "_bcreate")
+  btrfs_create.render = function(self, section, scope)
+    self.title = " "
+    self.inputtitle = translate("Create Btrfs")
+    self.inputstyle = "add"
+    Button.render(self, section, scope)
+  end
+  btrfs_create.write = function(self, section, value)
+    -- mkfs.btrfs -L label -d blevel /dev/sda /dev/sdb
+    local res = dm.create_btrfs(blabel, blevel, bmembers)
+    if res and res:match("^ERR") then
+      m.errmessage = luci.util.pcdata(res)
+      return
+    end
+    luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+  end
+end
+end
+
+return m
--- a/luasrc/model/cbi/diskman/partition.lua
+++ b/luasrc/model/cbi/diskman/partition.lua
@ -0,0 +1,366 @@
+--[[
+LuCI - Lua Configuration Interface
+Copyright 2019 lisaac <https://github.com/lisaac/luci-app-diskman>
+]]--
+
+require "luci.util"
+require("luci.tools.webadmin")
+local dm = require "luci.model.diskman"
+local dev = arg[1]
+
+if not dev then
+  luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+elseif not nixio.fs.access("/dev/"..dev) then
+  luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+end
+
+m = SimpleForm("partition", translate("Partition Management"), translate("Partition Disk over LuCI."))
+m.template = "diskman/cbi/xsimpleform"
+m.redirect = luci.dispatcher.build_url("admin/system/diskman")
+m:append(Template("diskman/partition_info"))
+-- disable submit and reset button
+m.submit = false
+m.reset = false
+
+local disk_info = dm.get_disk_info(dev, true)
+local format_cmd = dm.get_format_cmd()
+
+s = m:section(Table, {disk_info}, translate("Device Info"))
+-- s:option(DummyValue, "key")
+-- s:option(DummyValue, "value")
+s:option(DummyValue, "path", translate("Path"))
+s:option(DummyValue, "model", translate("Model"))
+s:option(DummyValue, "sn", translate("Serial Number"))
+s:option(DummyValue, "size_formated", translate("Size"))
+s:option(DummyValue, "sec_size", translate("Sector Size"))
+local dv_p_table = s:option(ListValue, "p_table", translate("Partition Table"))
+dv_p_table.render = function(self, section, scope)
+  -- create table only if not used by raid and no partitions on disk
+  if not disk_info.p_table:match("Raid") and (#disk_info.partitions == 0 or (#disk_info.partitions == 1 and disk_info.partitions[1].number == -1) or (disk_info.p_table:match("LOOP") and not disk_info.partitions[1].inuse)) then
+    self:value(disk_info.p_table, disk_info.p_table)
+    self:value("GPT", "GPT")
+    self:value("MBR", "MBR")
+    self.default = disk_info.p_table
+    ListValue.render(self, section, scope)
+  else
+    self.template = "cbi/dvalue"
+    DummyValue.render(self, section, scope)
+  end
+end
+if disk_info.type:match("md") then
+  s:option(DummyValue, "level", translate("Level"))
+  s:option(DummyValue, "members_str", translate("Members"))
+else
+  s:option(DummyValue, "temp", translate("Temp"))
+  s:option(DummyValue, "sata_ver", translate("SATA Version"))
+  s:option(DummyValue, "rota_rate", translate("Rotation Rate"))
+end
+s:option(DummyValue, "status", translate("Status"))
+local btn_health = s:option(Button, "health", translate("Health"))
+btn_health.render = function(self, section, scope)
+  if disk_info.health then
+    self.inputtitle = disk_info.health
+    if disk_info.health == "PASSED" then
+      self.inputstyle = "add"
+    else
+      self.inputstyle = "remove"
+    end
+    Button.render(self, section, scope)
+  else
+    self.template = "cbi/dvalue"
+    DummyValue.render(self, section, scope)
+  end
+end
+
+local btn_eject = s:option(Button, "_eject")
+btn_eject.template = "diskman/cbi/disabled_button"
+btn_eject.inputstyle = "remove"
+btn_eject.render = function(self, section, scope)
+  for i, p in ipairs(disk_info.partitions) do
+    if p.mount_point ~= "-" then
+      self.view_disabled = true
+      break
+    end
+  end
+  if disk_info.p_table:match("Raid") then
+    self.view_disabled = true
+  end
+  if disk_info.type:match("md") then
+    btn_eject.inputtitle = translate("Remove")
+  else
+    btn_eject.inputtitle = translate("Eject")
+  end
+  Button.render(self, section, scope)
+end
+btn_eject.forcewrite = true
+btn_eject.write = function(self, section, value)
+  for i, p in ipairs(disk_info.partitions) do
+    if p.mount_point ~= "-" then
+      m.errmessage = p.name .. translate("is in use! please unmount it first!")
+      return
+    end
+  end
+  if disk_info.type:match("md") then
+    luci.util.exec(dm.command.mdadm .. " --stop /dev/" .. dev)
+    luci.util.exec(dm.command.mdadm .. " --remove /dev/" .. dev)
+    for _, disk in ipairs(disk_info.members) do
+      luci.util.exec(dm.command.mdadm .. " --zero-superblock " .. disk)
+    end
+    dm.gen_mdadm_config()
+  else
+    luci.util.exec("echo 1 > /sys/block/" .. dev .. "/device/delete")
+  end
+  luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman"))
+end
+-- eject: echo 1 > /sys/block/(device)/device/delete
+-- rescan: echo '- - -' | tee /sys/class/scsi_host/host*/scan > /dev/null
+
+
+-- partitions info
+if not disk_info.p_table:match("Raid") then
+  s_partition_table = m:section(Table, disk_info.partitions, translate("Partitions Info"), translate("Default 2048 sector alignment, support +size{b,k,m,g,t} in End Sector"))
+
+  -- s_partition_table:option(DummyValue, "number", translate("Number"))
+  s_partition_table:option(DummyValue, "name", translate("Name"))
+  local val_sec_start = s_partition_table:option(Value, "sec_start", translate("Start Sector"))
+  val_sec_start.render = function(self, section, scope)
+    -- could create new partition
+    if disk_info.partitions[section].number == -1 and disk_info.partitions[section].size > 1 * 1024 * 1024 then
+      self.template = "cbi/value"
+      Value.render(self, section, scope)
+    else
+      self.template = "cbi/dvalue"
+      DummyValue.render(self, section, scope)
+    end
+  end
+  local val_sec_end = s_partition_table:option(Value, "sec_end", translate("End Sector"))
+  val_sec_end.render = function(self, section, scope)
+    -- could create new partition
+    if disk_info.partitions[section].number == -1 and disk_info.partitions[section].size > 1 * 1024 * 1024 then
+      self.template = "cbi/value"
+      Value.render(self, section, scope)
+    else
+      self.template = "cbi/dvalue"
+      DummyValue.render(self, section, scope)
+    end
+  end
+  val_sec_start.forcewrite = true
+  val_sec_start.write = function(self, section, value)
+    disk_info.partitions[section]._sec_start = value
+  end
+  val_sec_end.forcewrite = true
+  val_sec_end.write = function(self, section, value)
+    disk_info.partitions[section]._sec_end = value
+  end
+  s_partition_table:option(DummyValue, "size_formated", translate("Size"))
+  if disk_info.p_table == "MBR" then
+    s_partition_table:option(DummyValue, "type", translate("Type"))
+  end
+  s_partition_table:option(DummyValue, "used_formated", translate("Used"))
+  s_partition_table:option(DummyValue, "free_formated", translate("Free Space"))
+  s_partition_table:option(DummyValue, "usage", translate("Usage"))
+  local dv_mount_point = s_partition_table:option(DummyValue, "mount_point", translate("Mount Point"))
+  dv_mount_point.rawhtml = true
+  dv_mount_point.render = function(self, section, scope)
+    local new_mp = ""
+    local v_mp_d
+    for line in self["section"]["data"][section]["mount_point"]:gmatch("[^%s]+") do
+      if line == '-' then
+        new_mp = line
+        break
+      end
+      for v_mp_d in line:gmatch('[^/]+') do
+        if #v_mp_d > 12 then
+          new_mp = new_mp .. "/" .. v_mp_d:sub(1,7) .. ".." .. v_mp_d:sub(-4)
+        else
+          new_mp = new_mp .."/".. v_mp_d
+        end
+      end
+      new_mp = '<span title="'.. line .. '" >' ..new_mp  ..'</span>' .. "<br/>"
+    end
+    self["section"]["data"][section]["mount_point"] = new_mp
+    DummyValue.render(self, section, scope)
+  end
+  local val_fs = s_partition_table:option(Value, "fs", translate("File System"))
+  val_fs.forcewrite = true
+  val_fs.partitions = disk_info.partitions
+  for k, v in pairs(format_cmd) do
+    val_fs.format_cmd = val_fs.format_cmd and (val_fs.format_cmd ..  "," .. k) or k
+  end
+
+  val_fs.write = function(self, section, value)
+    disk_info.partitions[section]._fs = value
+  end
+  val_fs.render = function(self, section, scope)
+    -- use listvalue when partition not mounted
+    if disk_info.partitions[section].mount_point == "-" and disk_info.partitions[section].number ~= -1 and disk_info.partitions[section].type ~= "extended" then
+      self.template = "diskman/cbi/format_button"
+      self.inputstyle = "reset"
+      self.inputtitle = disk_info.partitions[section].fs == "raw" and translate("Format") or disk_info.partitions[section].fs
+      Button.render(self, section, scope)
+      -- self:reset_values()
+      -- self.keylist = {}
+      -- self.vallist = {}
+      -- for k, v in pairs(format_cmd) do
+      --   self:value(k,k)
+      -- end
+      -- self.default = disk_info.partitions[section].fs
+    else
+      -- self:reset_values()
+      -- self.keylist = {}
+      -- self.vallist = {}
+      self.template = "cbi/dvalue"
+      DummyValue.render(self, section, scope)
+    end
+  end
+  -- btn_format = s_partition_table:option(Button, "_format")
+  -- btn_format.template = "diskman/cbi/format_button"
+  -- btn_format.partitions = disk_info.partitions
+  -- btn_format.render = function(self, section, scope)
+  --   if disk_info.partitions[section].mount_point == "-" and disk_info.partitions[section].number ~= -1 and disk_info.partitions[section].type ~= "extended" then
+  --     self.inputtitle = translate("Format")
+  --     self.template = "diskman/cbi/disabled_button"
+  --     self.view_disabled = false
+  --     self.inputstyle = "reset"
+  --     for k, v in pairs(format_cmd) do
+  --       self:depends("val_fs", "k")
+  --     end
+  --   -- elseif disk_info.partitions[section].mount_point ~= "-" and disk_info.partitions[section].number ~= -1 then
+  --   --   self.inputtitle = "Format"
+  --   --   self.template = "diskman/cbi/disabled_button"
+  --   --   self.view_disabled = true
+  --   --   self.inputstyle = "reset"
+  --   else
+  --     self.inputtitle = ""
+  --     self.template = "cbi/dvalue"
+  --   end
+  --   Button.render(self, section, scope)
+  -- end
+  -- btn_format.forcewrite = true
+  -- btn_format.write = function(self, section, value)
+  --   local partition_name = "/dev/".. disk_info.partitions[section].name
+  --   if not nixio.fs.access(partition_name) then
+  --     m.errmessage = translate("Partition NOT found!")
+  --     return
+  --   end
+  --   local fs = disk_info.partitions[section]._fs
+  --   if not format_cmd[fs] then
+  --     m.errmessage = translate("Filesystem NOT support!")
+  --     return
+  --   end
+  --   local cmd = format_cmd[fs].cmd .. " " .. format_cmd[fs].option .. " " .. partition_name
+  --   local res = luci.util.exec(cmd .. " 2>&1")
+  --   if res and res:lower():match("error+") then
+  --     m.errmessage = luci.util.pcdata(res)
+  --   else
+  --     luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/partition/" .. dev))
+  --   end
+  -- end
+
+  local btn_action = s_partition_table:option(Button, "_action")
+  btn_action.forcewrite = true
+  btn_action.template = "diskman/cbi/disabled_button"
+  btn_action.render = function(self, section, scope)
+    -- if partition is mounted or the size < 1mb, then disable the add action
+    if disk_info.partitions[section].mount_point ~= "-" or (disk_info.partitions[section].type ~= "extended" and disk_info.partitions[section].number == -1 and disk_info.partitions[section].size <= 1 * 1024 * 1024) then
+      self.view_disabled = true
+      -- self.inputtitle = ""
+      -- self.template = "cbi/dvalue"
+    elseif disk_info.partitions[section].type == "extended" and next(disk_info.partitions[section]["logicals"]) ~= nil then
+      self.view_disabled = true
+    else
+      -- self.template = "diskman/cbi/disabled_button"
+      self.view_disabled = false
+    end
+    if disk_info.partitions[section].number ~= -1 then
+      self.inputtitle = translate("Remove")
+      self.inputstyle = "remove"
+    else
+      self.inputtitle = translate("New")
+      self.inputstyle = "add"
+    end
+    Button.render(self, section, scope)
+  end
+  btn_action.write = function(self, section, value)
+    if value == translate("New") then
+      local start_sec = disk_info.partitions[section]._sec_start and tonumber(disk_info.partitions[section]._sec_start) or tonumber(disk_info.partitions[section].sec_start)
+      local end_sec = disk_info.partitions[section]._sec_end
+
+      if start_sec then
+        -- for sector alignment
+        local align = tonumber(disk_info.phy_sec) / tonumber(disk_info.logic_sec)
+        align = (align < 2048) and 2048
+        if start_sec < 2048 then
+          start_sec = "2048" .. "s"
+        elseif math.fmod( start_sec, align ) ~= 0 then
+          start_sec = tostring(start_sec + align - math.fmod( start_sec, align )) .. "s"
+        else
+          start_sec = start_sec .. "s"
+        end
+      else
+        m.errmessage = translate("Invalid Start Sector!")
+        return
+      end
+      -- support +size format for End sector
+      local end_size, end_unit = end_sec:match("^+(%d-)([bkmgtsBKMGTS])$")
+      if tonumber(end_size) and end_unit then
+        local unit ={
+          B=1,
+          S=512,
+          K=1024,
+          M=1048576,
+          G=1073741824,
+          T=1099511627776
+        }
+        end_unit = end_unit:upper()
+        end_sec = tostring(tonumber(end_size) * unit[end_unit] / unit["S"] + tonumber(start_sec:sub(1,-2)) - 1 ) .. "s"
+      elseif tonumber(end_sec) then
+        end_sec = end_sec .. "s"
+      else
+        m.errmessage = translate("Invalid End Sector!")
+        return
+      end
+      local part_type = "primary"
+
+      if disk_info.p_table == "MBR" and disk_info["extended_partition_index"] then
+        if tonumber(disk_info.partitions[disk_info["extended_partition_index"]].sec_start) <= tonumber(start_sec:sub(1,-2)) and tonumber(disk_info.partitions[disk_info["extended_partition_index"]].sec_end) >= tonumber(end_sec:sub(1,-2)) then
+          part_type = "logical"
+          if tonumber(start_sec:sub(1,-2)) - tonumber(disk_info.partitions[section].sec_start) < 2048 then
+            start_sec = tonumber(start_sec:sub(1,-2)) + 2048
+            start_sec = start_sec .."s"
+          end
+        end
+      elseif disk_info.p_table == "GPT" then
+        -- AUTOMATIC FIX GPT PARTITION TABLE
+        -- Not all of the space available to /dev/sdb appears to be used, you can fix the GPT to use all of the space (an extra 16123870 blocks) or continue with the current setting?
+        local cmd = ' printf "ok\nfix\n" | parted ---pretend-input-tty /dev/'.. dev ..' print'
+        luci.util.exec(cmd .. " 2>&1")
+      end
+
+      -- partiton
+      local cmd = dm.command.parted .. " -s -a optimal /dev/" .. dev .. " mkpart " .. part_type .." " .. start_sec .. " " .. end_sec
+      local res = luci.util.exec(cmd .. " 2>&1")
+      if res and res:lower():match("error+") then
+        m.errmessage = luci.util.pcdata(res)
+      else
+        luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/partition/" .. dev))
+      end
+    elseif value == translate("Remove") then
+      -- remove partition
+      local number = tostring(disk_info.partitions[section].number)
+      if (not number) or (number == "") then
+        m.errmessage = translate("Partition not exists!")
+        return
+      end
+      local cmd = dm.command.parted .. " -s /dev/" .. dev .. " rm " .. number
+      local res = luci.util.exec(cmd .. " 2>&1")
+      if res and res:lower():match("error+") then
+        m.errmessage = luci.util.pcdata(res)
+      else
+        luci.http.redirect(luci.dispatcher.build_url("admin/system/diskman/partition/" .. dev))
+      end
+    end
+  end
+end
+
+return m
--- a/luasrc/model/diskman.lua
+++ b/luasrc/model/diskman.lua
@ -0,0 +1,741 @@
+--[[
+LuCI - Lua Configuration Interface
+Copyright 2019 lisaac <https://github.com/lisaac/luci-app-diskman>
+]]--
+
+require "luci.util"
+local ver = require "luci.version"
+
+local CMD = {"parted", "mdadm", "blkid", "smartctl", "df", "btrfs", "lsblk"}
+
+local d = {command ={}}
+for _, cmd in ipairs(CMD) do
+  local command = luci.sys.exec("/usr/bin/which " .. cmd)
+    d.command[cmd] = command:match("^.+"..cmd) or nil
+end
+
+d.command.mount = nixio.fs.access("/usr/bin/mount") and "/usr/bin/mount" or "/bin/mount"
+d.command.umount = nixio.fs.access("/usr/bin/umount") and "/usr/bin/umount" or "/bin/umount"
+
+local proc_mounts = nixio.fs.readfile("/proc/mounts") or ""
+local mounts = luci.util.exec(d.command.mount .. " 2>/dev/null") or ""
+local swaps = nixio.fs.readfile("/proc/swaps") or ""
+local df = luci.sys.exec(d.command.df .. " 2>/dev/null") or ""
+
+function byte_format(byte)
+  local suff = {"B", "KB", "MB", "GB", "TB"}
+  for i=1, 5 do
+    if byte > 1024 and i < 5 then
+      byte = byte / 1024
+    else
+      return string.format("%.2f %s", byte, suff[i])
+    end
+  end
+end
+
+local get_smart_info = function(device)
+  local section
+  local smart_info = {}
+  for _, line in ipairs(luci.util.execl(d.command.smartctl .. " -H -A -i -n standby -f brief /dev/" .. device)) do
+    local attrib, val
+    if section == 1 then
+        attrib, val = line:match "^(.-):%s+(.+)"
+    elseif section == 2 and smart_info.nvme_ver then
+      attrib, val = line:match("^(.-):%s+(.+)")
+      if not smart_info.health then smart_info.health = line:match(".-overall%-health.-: (.+)") end
+    elseif section == 2 then
+      attrib, val = line:match("^([0-9 ]+)%s+[^ ]+%s+[POSRCK-]+%s+[0-9-]+%s+[0-9-]+%s+[0-9-]+%s+[0-9-]+%s+([0-9-]+)")
+      if not smart_info.health then smart_info.health = line:match(".-overall%-health.-: (.+)") end
+    else
+      attrib = line:match "^=== START OF (.*) SECTION ==="
+      if attrib and attrib:match("INFORMATION") then
+        section = 1
+      elseif attrib and attrib:match("SMART DATA") then
+        section = 2
+      elseif not smart_info.status then
+        val = line:match "^Device is in (.*) mode"
+        if val then smart_info.status = val end
+      end
+    end
+
+    if not attrib then
+      if section ~= 2 then section = 0 end
+    elseif (attrib == "Power mode is") or
+      (attrib == "Power mode was") then
+        smart_info.status = val:match("(%S+)")
+    -- elseif attrib == "Sector Sizes" then
+    --   -- 512 bytes logical, 4096 bytes physical
+    --   smart_info.phy_sec = val:match "([0-9]*) bytes physical"
+    --   smart_info.logic_sec = val:match "([0-9]*) bytes logical"
+    -- elseif attrib == "Sector Size" then
+    --   -- 512 bytes logical/physical
+    --   smart_info.phy_sec = val:match "([0-9]*)"
+    --   smart_info.logic_sec = smart_info.phy_sec
+    elseif attrib == "Serial Number" then
+      smart_info.sn = val
+    elseif attrib == "194" or attrib == "Temperature" then
+      smart_info.temp = val:match("(%d+)") .. "°C"
+    elseif attrib == "Rotation Rate" then
+      smart_info.rota_rate = val
+    elseif attrib == "SATA Version is" then
+      smart_info.sata_ver = val
+    elseif attrib == "NVMe Version" then
+      smart_info.nvme_ver = val
+    end
+  end
+  return smart_info
+end
+
+local parse_parted_info = function(keys, line)
+  -- parse the output of parted command (machine parseable format)
+  -- /dev/sda:5860533168s:scsi:512:4096:gpt:ATA ST3000DM001-1ER1:;
+  -- 1:34s:2047s:2014s:free;
+  -- 1:2048s:1073743872s:1073741825s:ext4:primary:;
+  local result = {}
+  local values = {}
+
+  for value in line:gmatch("(.-)[:;]") do table.insert(values, value) end
+  for i = 1,#keys do
+    result[keys[i]] = values[i] or ""
+  end
+  return result
+end
+
+local is_raid_member = function(partition)
+  -- check if inuse as raid member
+  if nixio.fs.access("/proc/mdstat") then
+    for _, result in ipairs(luci.util.execl("grep md /proc/mdstat | sed 's/[][]//g'")) do
+      local md, buf
+      md, buf = result:match("(md.-):(.+)")
+      if buf:match(partition) then
+        return "Raid Member: ".. md
+      end
+    end
+  end
+  return nil
+end
+
+local get_mount_point = function(partition)
+  local mount_point
+  for m in mounts:gmatch("/dev/"..partition.." on ([^ ]*)") do
+    mount_point = (mount_point and (mount_point .. " ")  or "") .. m
+  end
+  if mount_point then return mount_point end
+  -- result = luci.sys.exec('cat /proc/mounts | awk \'{if($1=="/dev/'.. partition ..'") print $2}\'')
+  -- if result ~= "" then return result end
+
+  if swaps:match("\n/dev/" .. partition .."%s") then return "swap" end
+  -- result = luci.sys.exec("cat /proc/swaps | grep /dev/" .. partition)
+  -- if result ~= "" then return "swap" end
+
+  return is_raid_member(partition)
+
+end
+
+-- return used, free, usage
+local get_partition_usage = function(partition)
+  if not nixio.fs.access("/dev/"..partition) then return false end
+  local used, free, usage = df:match("\n/dev/" .. partition .. "%s+%d+%s+(%d+)%s+(%d+)%s+(%d+)%%%s-")
+
+  usage = usage and (usage .. "%") or "-"
+  used = used and (tonumber(used) * 1024) or 0
+  free = free and (tonumber(free) * 1024) or 0
+
+  return used, free, usage
+end
+
+local get_parted_info = function(device)
+  if not device then return end
+  local result = {partitions={}}
+  local DEVICE_INFO_KEYS = { "path", "size", "type", "logic_sec", "phy_sec", "p_table", "model", "flags" }
+  local PARTITION_INFO_KEYS = { "number", "sec_start", "sec_end", "size", "fs", "tag_name", "flags" }
+  local partition_temp
+  local partitions_temp = {}
+  local disk_temp
+
+  for line in luci.util.execi(d.command.parted .. " -s -m /dev/" .. device .. " unit s print free", "r") do
+    if line:find("^/dev/"..device..":.+") then
+      disk_temp = parse_parted_info(DEVICE_INFO_KEYS, line)
+      disk_temp.partitions = {}
+      if disk_temp["size"] then
+        local length = disk_temp["size"]:gsub("^(%d+)s$", "%1")
+        local newsize = tostring(tonumber(length)*tonumber(disk_temp["logic_sec"]))
+        disk_temp["size"] = newsize
+      end
+      if disk_temp["p_table"] == "msdos" then
+        disk_temp["p_table"] = "MBR"
+      else
+        disk_temp["p_table"] = disk_temp["p_table"]:upper()
+      end
+    elseif line:find("^%d-:.+") then
+      partition_temp = parse_parted_info(PARTITION_INFO_KEYS, line)
+      -- use human-readable form instead of sector number
+      if partition_temp["size"] then
+        local length = partition_temp["size"]:gsub("^(%d+)s$", "%1")
+        local newsize = (tonumber(length) * tonumber(disk_temp["logic_sec"]))
+        partition_temp["size"] = newsize
+        partition_temp["size_formated"] = byte_format(newsize)
+      end
+      partition_temp["number"] = tonumber(partition_temp["number"]) or -1
+      if partition_temp["fs"] == "free" then
+        partition_temp["number"] = -1
+        partition_temp["fs"] = "Free Space"
+        partition_temp["name"] = "-"
+      elseif device:match("sd") or device:match("sata") or device:match("vd") then
+        partition_temp["name"] = device..partition_temp["number"]
+      elseif device:match("mmcblk") or device:match("md") or device:match("nvme") then
+        partition_temp["name"] = device.."p"..partition_temp["number"]
+      end
+      if partition_temp["number"] > 0 and partition_temp["fs"] == "" and d.command.lsblk then
+        partition_temp["fs"] = luci.util.exec(d.command.lsblk .. " /dev/"..device.. tostring(partition_temp["number"]) .. " -no fstype"):match("([^%s]+)") or ""
+      end
+      partition_temp["fs"] = partition_temp["fs"] == "" and "raw" or partition_temp["fs"]
+      partition_temp["sec_start"] = partition_temp["sec_start"] and partition_temp["sec_start"]:sub(1,-2)
+      partition_temp["sec_end"] = partition_temp["sec_end"] and partition_temp["sec_end"]:sub(1,-2)
+      partition_temp["mount_point"] = partition_temp["name"]~="-" and get_mount_point(partition_temp["name"]) or "-"
+      if partition_temp["mount_point"]~="-" then
+        partition_temp["used"], partition_temp["free"], partition_temp["usage"] = get_partition_usage(partition_temp["name"])
+        partition_temp["used_formated"] = partition_temp["used"] and byte_format(partition_temp["used"]) or "-"
+        partition_temp["free_formated"] = partition_temp["free"] and byte_format(partition_temp["free"]) or "-"
+      else
+        partition_temp["used"], partition_temp["free"], partition_temp["usage"] = 0,0,"-"
+        partition_temp["used_formated"] = "-"
+        partition_temp["free_formated"] = "-"
+      end
+      -- if disk_temp["p_table"] == "MBR" and (partition_temp["number"] < 4) and (partition_temp["number"] > 0) then
+      --   local real_size_sec = tonumber(nixio.fs.readfile("/sys/block/"..device.."/"..partition_temp["name"].."/size")) * tonumber(disk_temp.phy_sec)
+      --   if real_size_sec ~= partition_temp["size"] then
+      --     disk_temp["extended_partition_index"] = partition_temp["number"]
+      --     partition_temp["type"] = "extended"
+      --     partition_temp["size"] = real_size_sec
+      --     partition_temp["fs"] = "-"
+      --     partition_temp["logicals"] = {}
+      --   else
+      --     partition_temp["type"] = "primary"
+      --   end
+      -- end
+
+      table.insert(partitions_temp, partition_temp)
+    end
+  end
+  if disk_temp and disk_temp["p_table"] == "MBR" then
+    for i, p in ipairs(partitions_temp) do
+      if disk_temp["extended_partition_index"] and p["number"] > 4 then
+        if tonumber(p["sec_end"]) <= tonumber(partitions_temp[disk_temp["extended_partition_index"]]["sec_end"]) and tonumber(p["sec_start"]) >= tonumber(partitions_temp[disk_temp["extended_partition_index"]]["sec_start"]) then
+          p["type"] = "logical"
+          table.insert(partitions_temp[disk_temp["extended_partition_index"]]["logicals"], i)
+        end
+      elseif (p["number"] < 4) and (p["number"] > 0) then
+        local s = nixio.fs.readfile("/sys/block/"..device.."/"..p["name"].."/size")
+        if s then
+          local real_size_sec = tonumber(s) * tonumber(disk_temp.phy_sec)
+          -- if size not equal, it's an extended
+          if real_size_sec ~= p["size"] then
+            disk_temp["extended_partition_index"] = i
+            p["type"] = "extended"
+            p["size"] = real_size_sec
+            p["fs"] = "-"
+            p["logicals"] = {}
+          else
+            p["type"] = "primary"
+          end
+        else
+          -- if not found in "/sys/block"
+          p["type"] = "primary"
+        end
+      end
+    end
+  end
+  result = disk_temp or result
+  result.partitions = partitions_temp
+
+  return result
+end
+
+local mddetail = function(mdpath)
+	local detail = {}
+	local path = mdpath:match("^/dev/md%d+$")
+	if path then
+		local mdadm = io.popen(d.command.mdadm .. " --detail "..path, "r")
+		for line in mdadm:lines() do
+			local key, value = line:match("^%s*(.+) : (.+)")
+			if key then
+				detail[key] = value
+			end
+		end
+		mdadm:close()
+	end
+	return detail
+end
+
+-- return {{device="", mount_points="", fs="", mount_options="", dump="", pass=""}..}
+d.get_mount_points = function()
+  local mount
+  local res = {}
+  local h ={"device", "mount_point", "fs", "mount_options", "dump", "pass"}
+  for mount in proc_mounts:gmatch("[^\n]+") do
+    local device = mount:match("^([^%s]+)%s+.+")
+    -- only show /dev/xxx device
+    if device and device:match("/dev/") then
+      res[#res+1] = {}
+      local i = 0
+      for v in mount:gmatch("[^%s]+") do
+        i = i + 1
+        res[#res][h[i]] = v
+      end
+    end
+  end
+  return res
+end
+
+d.get_disk_info = function(device, wakeup)
+  --[[ return:
+  {
+    path, model, sn, size, size_mounted, flags, type, temp, p_table, logic_sec, phy_sec, sec_size, sata_ver, rota_rate, status, health,
+    partitions = {
+      1 = { number, name, sec_start, sec_end, size, size_mounted, fs, tag_name, type, flags, mount_point, usage, used, free, used_formated, free_formated},
+      2 = { number, name, sec_start, sec_end, size, size_mounted, fs, tag_name, type, flags, mount_point, usage, used, free, used_formated, free_formated},
+      ...
+    }
+    --raid devices only
+    level, members, members_str
+  }
+  --]]
+  if not device then return end
+  local disk_info
+  local smart_info = get_smart_info(device)
+
+  -- check if divice is the member of raid
+  smart_info["p_table"] = is_raid_member(device..'0')
+  -- if status is not active(standby), only check smart_info.
+  -- if only weakup == true, weakup the disk and check parted_info.
+  if smart_info.status ~= "STANDBY" or wakeup or (smart_info["p_table"] and not smart_info["p_table"]:match("Raid")) or device:match("^md") then
+    disk_info = get_parted_info(device)
+    disk_info["sec_size"] = disk_info["logic_sec"] .. "/" .. disk_info["phy_sec"]
+    disk_info["size_formated"] = byte_format(tonumber(disk_info["size"]))
+    -- if status is standby, after get part info, the disk is weakuped, then get smart_info again for more informations
+    if smart_info.status ~= "ACTIVE" then smart_info = get_smart_info(device) end
+  else
+    disk_info = {}
+  end
+
+  for k, v in pairs(smart_info) do
+    disk_info[k] = v
+  end
+
+  if disk_info.type and disk_info.type:match("md") then
+    local raid_info = d.list_raid_devices()[disk_info["path"]:match("/dev/(.+)")]
+    for k, v in pairs(raid_info) do
+      disk_info[k] = v
+    end
+  end
+  return disk_info
+end
+
+d.list_raid_devices = function()
+  local fs = require "nixio.fs"
+
+  local raid_devices = {}
+  if not fs.access("/proc/mdstat") then return raid_devices end
+  local mdstat = io.open("/proc/mdstat", "r")
+  for line in mdstat:lines() do
+
+    -- md1 : active raid1 sdb2[1] sda2[0]
+    -- md127 : active raid5 sdh1[6] sdg1[4] sdf1[3] sde1[2] sdd1[1] sdc1[0]
+    local device_info = {}
+    local mdpath, list = line:match("^(md%d+) : (.+)")
+    if mdpath then
+      local members = {}
+      for member in string.gmatch(list, "%S+") do
+        member_path = member:match("^(%S+)%[%d+%]")
+        if member_path then
+          member = '/dev/'..member_path
+        end
+        table.insert(members, member)
+      end
+      local active = table.remove(members, 1)
+      local level = "-"
+      if active == "active" then
+        level = table.remove(members, 1)
+      end
+
+      local size = tonumber(fs.readfile(string.format("/sys/class/block/%s/size", mdpath)))
+      local ss = tonumber(fs.readfile(string.format("/sys/class/block/%s/queue/logical_block_size", mdpath)))
+
+      device_info["path"] = "/dev/"..mdpath
+      device_info["size"] = size*ss
+      device_info["size_formated"] = byte_format(size*ss)
+      device_info["active"] = active:upper()
+      device_info["level"] = level
+      device_info["members"] = members
+      device_info["members_str"] = table.concat(members, ", ")
+
+      -- Get more info from output of mdadm --detail
+      local detail = mddetail(device_info["path"])
+      device_info["status"] = detail["State"]:upper()
+
+      raid_devices[mdpath] = device_info
+    end
+  end
+  mdstat:close()
+
+  return raid_devices
+end
+
+-- Collect Devices information
+  --[[ return:
+  {
+    sda={
+      path, model, inuse, size_formated,
+      partitions={
+        { name, inuse, size_formated }
+        ...
+      }
+    }
+    ..
+  }
+  --]]
+d.list_devices = function()
+  local fs = require "nixio.fs"
+
+  -- get all device names (sdX and mmcblkX)
+  local target_devnames = {}
+  for dev in fs.dir("/dev") do
+    if dev:match("^sd[a-z]$")
+      or dev:match("^mmcblk%d+$")
+      or dev:match("^sata[a-z]$")
+      or dev:match("^nvme%d+n%d+$")
+      or dev:match("^vd[a-z]$")
+      then
+      table.insert(target_devnames, dev)
+    end
+  end
+
+  local devices = {}
+  for i, bname in pairs(target_devnames) do
+    local device_info = {}
+    local device = "/dev/" .. bname
+    local size = tonumber(fs.readfile(string.format("/sys/class/block/%s/size", bname)) or "0")
+    local ss = tonumber(fs.readfile(string.format("/sys/class/block/%s/queue/logical_block_size", bname)) or "0")
+    local model = fs.readfile(string.format("/sys/class/block/%s/device/model", bname))
+    local partitions = {}
+    for part in nixio.fs.glob("/sys/block/" .. bname .."/" .. bname .. "*") do
+      local pname = nixio.fs.basename(part)
+      local psize = byte_format(tonumber(nixio.fs.readfile(part .. "/size"))*ss)
+      local mount_point = get_mount_point(pname)
+      if mount_point then device_info["inuse"] = true end
+      table.insert(partitions, {name = pname, size_formated = psize, inuse = mount_point})
+    end
+
+      device_info["path"] = device
+      device_info["size_formated"] = byte_format(size*ss)
+      device_info["model"] = model
+      device_info["partitions"] = partitions
+      -- true or false
+      device_info["inuse"] = device_info["inuse"] or get_mount_point(bname)
+
+      local udevinfo = {}
+      if luci.sys.exec("which udevadm") ~= "" then
+        local udevadm = io.popen("udevadm info --query=property --name="..device)
+        for attr in udevadm:lines() do
+          local k, v = attr:match("(%S+)=(%S+)")
+          udevinfo[k] = v
+        end
+        udevadm:close()
+
+        device_info["info"] = udevinfo
+        if udevinfo["ID_MODEL"] then device_info["model"] = udevinfo["ID_MODEL"] end
+      end
+      devices[bname] = device_info
+  end
+  -- luci.util.perror(luci.util.serialize_json(devices))
+  return devices
+end
+
+-- get formart cmd
+d.get_format_cmd = function()
+  local AVAILABLE_FMTS = {
+    ext2 = { cmd = "mkfs.ext2", option = "-F -E lazy_itable_init=1" },
+    ext3 = { cmd = "mkfs.ext3", option = "-F -E lazy_itable_init=1" },
+    ext4 = { cmd = "mkfs.ext4", option = "-F -E lazy_itable_init=1" },
+    fat32 = { cmd = "mkfs.vfat", option = "-F" },
+    exfat = { cmd = "mkexfat", option = "-f" },
+    hfsplus = { cmd = "mkhfs", option = "-f" },
+    ntfs = { cmd = "mkntfs", option = "-f" },
+    swap = { cmd = "mkswap", option = "" },
+    btrfs = { cmd = "mkfs.btrfs", option = "-f" }
+  }
+  result = {}
+  for fmt, obj in pairs(AVAILABLE_FMTS) do
+    local cmd = luci.sys.exec("/usr/bin/which " .. obj["cmd"])
+    if cmd:match(obj["cmd"]) then
+      result[fmt] = { cmd = cmd:match("^.+"..obj["cmd"]) ,option = obj["option"] }
+    end
+  end
+  return result
+end
+
+d.find_free_md_device = function()
+  for num=0,127 do
+    local md = io.open("/dev/md"..tostring(num), "r")
+    if md == nil then
+      return "/dev/md"..tostring(num)
+    else
+      io.close(md)
+    end
+  end
+  return nil
+end
+
+d.create_raid = function(rname, rlevel, rmembers)
+  local mb = {}
+  for _, v in ipairs(rmembers) do
+    mb[v]=v
+  end
+  rmembers = {}
+  for _, v in pairs(mb) do
+    table.insert(rmembers, v)
+  end
+  if type(rname) == "string" then
+    if rname:match("^md%d-%s+") then
+      rname = "/dev/"..rname:match("^(md%d-)%s+")
+    elseif rname:match("^/dev/md%d-%s+") then
+      rname = "/dev/"..rname:match("^(/dev/md%d-)%s+")
+    elseif not rname:match("/") then
+      rname = "/dev/md/".. rname
+    else
+      return "ERR: Invalid raid name"
+    end
+  else
+    rname = d.find_free_md_device()
+    if rname == nil then return "ERR: Cannot find free md device" end
+  end
+
+  if rlevel == "5" or rlevel == "6" then
+    if #rmembers < 3 then return "ERR: Not enough members" end
+  end
+  if rlevel == "10" then
+    if #rmembers < 4 then return "ERR: Not enough members" end
+  end
+  if #rmembers < 2 then return "ERR: Not enough members" end
+  local cmd = d.command.mdadm .. " --create "..rname.." --run --assume-clean --homehost=any --level=" .. rlevel .. " --raid-devices=" .. #rmembers .. " " .. table.concat(rmembers, " ")
+  local res = luci.util.exec(cmd)
+  return res
+end
+
+d.gen_mdadm_config = function()
+  if not nixio.fs.access("/etc/config/mdadm") then return end
+  local uci = require "luci.model.uci"
+  local x = uci.cursor()
+  -- delete all array sections
+  x:foreach("mdadm", "array", function(s) x:delete("mdadm",s[".name"]) end)
+  local cmd = d.command.mdadm .. " -D -s"
+  --ARRAY /dev/md1 metadata=1.2 name=any:1 UUID=f998ae14:37621b27:5c49e850:051f6813
+  --ARRAY /dev/md3 metadata=1.2 name=any:3 UUID=c068c141:4b4232ca:f48cbf96:67d42feb
+  for _, v in ipairs(luci.util.execl(cmd)) do
+    local device, uuid = v:match("^ARRAY%s-([^%s]+)%s-[^%s]-%s-[^%s]-%s-UUID=([^%s]+)%s-")
+    if device and uuid then
+      local section_name = x:add("mdadm", "array")
+      x:set("mdadm", section_name, "device", device)
+      x:set("mdadm", section_name, "uuid", uuid)
+    end
+  end
+  x:commit("mdadm")
+  -- enable mdadm
+  luci.util.exec("/etc/init.d/mdadm enable")
+end
+
+-- list btrfs filesystem device
+-- {uuid={uuid, label, members, size, used}...}
+d.list_btrfs_devices = function()
+  local btrfs_device = {}
+  if not d.command.btrfs then return btrfs_device end
+  local line, _uuid
+  for _, line in ipairs(luci.util.execl(d.command.btrfs .. " filesystem show -d --raw"))
+  do
+    local label, uuid = line:match("^Label:%s+([^%s]+)%s+uuid:%s+([^%s]+)")
+    if label and uuid then
+      _uuid = uuid
+      local _label = label:match("^'([^']+)'")
+      btrfs_device[_uuid] = {label = _label or label, uuid = uuid}
+      -- table.insert(btrfs_device, {label = label, uuid = uuid})
+    end
+    local used = line:match("Total devices[%w%s]+used%s+(%d+)$")
+    if used then
+      btrfs_device[_uuid]["used"] = tonumber(used)
+      btrfs_device[_uuid]["used_formated"] = byte_format(tonumber(used))
+    end
+    local size, device = line:match("devid[%w.%s]+size%s+(%d+)[%w.%s]+path%s+([^%s]+)$")
+    if size and device then
+      btrfs_device[_uuid]["size"] = btrfs_device[_uuid]["size"] and btrfs_device[_uuid]["size"] + tonumber(size) or tonumber(size)
+      btrfs_device[_uuid]["size_formated"] = byte_format(btrfs_device[_uuid]["size"])
+      btrfs_device[_uuid]["members"] = btrfs_device[_uuid]["members"] and btrfs_device[_uuid]["members"]..", "..device or device
+    end
+  end
+  return btrfs_device
+end
+
+d.create_btrfs = function(blabel, blevel, bmembers)
+  -- mkfs.btrfs -L label -d blevel /dev/sda /dev/sdb
+  if not d.command.btrfs or type(bmembers) ~= "table" or next(bmembers) == nil then return "ERR no btrfs support or no members" end
+  local label = blabel and " -L " .. blabel or ""
+  local cmd = "mkfs.btrfs -f " .. label .. " -d " .. blevel .. " " .. table.concat(bmembers, " ")
+  return luci.util.exec(cmd)
+end
+
+-- get btrfs info
+-- {uuid, label, members, data_raid_level,metadata_raid_lavel, size, used, size_formated, used_formated, free, free_formated, usage}
+d.get_btrfs_info = function(m_point)
+  local btrfs_info = {}
+  if not m_point or not d.command.btrfs then return btrfs_info end
+  local cmd = d.command.btrfs .. " filesystem show --raw " .. m_point
+  local _, line, uuid, _label, members
+  for _, line in ipairs(luci.util.execl(cmd)) do
+    if not uuid and not _label then
+      _label, uuid = line:match("^Label:%s+([^%s]+)%s+uuid:%s+([^s]+)")
+    else
+      local mb = line:match("%s+devid.+path%s+([^%s]+)")
+      if mb then
+        members = members and (members .. ", ".. mb) or mb
+      end
+    end
+  end
+
+  if not _label or not uuid then return btrfs_info end
+  local label = _label:match("^'([^']+)'")
+  cmd = d.command.btrfs .. " filesystem usage -b " .. m_point
+  local used, free, data_raid_level, metadata_raid_lavel
+  for _, line in ipairs(luci.util.execl(cmd)) do
+    if not used then
+      used = line:match("^%s+Used:%s+(%d+)")
+    elseif not free then
+      free = line:match("^%s+Free %(estimated%):%s+(%d+)")
+    elseif not data_raid_level then
+      data_raid_level = line:match("^Data,%s-(%w+)")
+    elseif not metadata_raid_lavel then
+      metadata_raid_lavel = line:match("^Metadata,%s-(%w+)")
+    end
+  end
+  if used and free and data_raid_level and metadata_raid_lavel then
+    used = tonumber(used)
+    free = tonumber(free)
+    btrfs_info = {
+      uuid = uuid,
+      label = label,
+      data_raid_level = data_raid_level,
+      metadata_raid_lavel = metadata_raid_lavel,
+      used = used,
+      free = free,
+      size = used + free,
+      size_formated = byte_format(used + free),
+      used_formated = byte_format(used),
+      free_formated = byte_format(free),
+      members = members,
+      usage = string.format("%.2f",(used / (free+used) * 100)) .. "%"
+    }
+  end
+  return btrfs_info
+end
+
+-- get btrfs subvolume
+-- {id={id, gen, top_level, path, snapshots, otime, default_subvolume}...}
+d.get_btrfs_subv = function(m_point, snapshot)
+local subvolume = {}
+if not m_point or not d.command.btrfs then return subvolume end
+
+-- get default subvolume
+local cmd = d.command.btrfs .. " subvolume get-default " .. m_point
+local res = luci.util.exec(cmd)
+local default_subvolume_id = res:match("^ID%s+([^%s]+)")
+
+-- get the root subvolume
+if not snapshot then
+  local _, line, section_snap, _uuid, _otime, _id, _snap
+  cmd = d.command.btrfs .. " subvolume show ".. m_point
+  for _, line in ipairs(luci.util.execl(cmd)) do
+    if not section_snap then
+      if not _uuid then
+        _uuid = line:match("^%s-UUID:%s+([^%s]+)")
+      elseif not _otime then
+        _otime = line:match("^%s+Creation time:%s+(.+)")
+      elseif not _id then
+        _id = line:match("^%s+Subvolume ID:%s+([^%s]+)")
+      elseif line:match("^%s+(Snapshot%(s%):)") then
+        section_snap = true
+      end
+    else
+      local snapshot = line:match("^%s+(.+)")
+      if snapshot then
+        _snap = _snap and (_snap ..", /".. snapshot) or ("/"..snapshot)
+      end
+    end
+  end
+  if _uuid and _otime and _id then
+    subvolume["0".._id] = {id = _id , uuid = _uuid, otime = _otime, snapshots = _snap, path = "/"}
+    if default_subvolume_id == _id then
+      subvolume["0".._id].default_subvolume = 1
+    end
+  end
+end
+
+-- get subvolume of btrfs
+cmd = d.command.btrfs .. " subvolume list -gcu" .. (snapshot and "s " or " ") .. m_point
+for _, line in ipairs(luci.util.execl(cmd)) do
+  -- ID 259 gen 11 top level 258 uuid 26ae0c59-199a-cc4d-bd58-644eb4f65d33 path 1a/2b'
+  local id, gen, top_level, uuid, path, otime, otime2
+  if snapshot then
+    id, gen, top_level, otime, otime2, uuid, path = line:match("^ID%s+([^%s]+)%s+gen%s+([^%s]+)%s+cgen.-top level%s+([^%s]+)%s+otime%s+([^%s]+)%s+([^%s]+)%s+uuid%s+([^%s]+)%s+path%s+([^%s]+)%s-$")
+  else
+    id, gen, top_level, uuid, path = line:match("^ID%s+([^%s]+)%s+gen%s+([^%s]+)%s+cgen.-top level%s+([^%s]+)%s+uuid%s+([^%s]+)%s+path%s+([^%s]+)%s-$")
+  end
+  if id and gen and top_level and uuid and path then
+    subvolume[id] = {id = id, gen = gen, top_level = top_level, otime = (otime and otime or "") .." ".. (otime2 and otime2 or ""), uuid = uuid, path = '/'.. path}
+    if not snapshot then
+      -- use btrfs subv show to get snapshots
+      local show_cmd = d.command.btrfs .. " subvolume show "..m_point.."/"..path
+      local __, line_show, section_snap
+      for __, line_show in ipairs(luci.util.execl(show_cmd)) do
+        if not section_snap then
+          local create_time = line_show:match("^%s+Creation time:%s+(.+)")
+          if create_time then
+            subvolume[id]["otime"] = create_time
+          elseif line_show:match("^%s+(Snapshot%(s%):)") then
+            section_snap = "true"
+          end
+        else
+          local snapshot = line_show:match("^%s+(.+)")
+          subvolume[id]["snapshots"] = subvolume[id]["snapshots"] and (subvolume[id]["snapshots"] .. ", /".. snapshot) or ("/"..snapshot)
+        end
+      end
+    end
+  end
+end
+if subvolume[default_subvolume_id] then
+  subvolume[default_subvolume_id].default_subvolume = 1
+end
+-- if m_point == "/tmp/.btrfs_tmp" then
+--   luci.util.exec("umount " .. m_point)
+-- end
+return subvolume
+end
+
+d.format_partition = function(partition, fs)
+  local partition_name = "/dev/".. partition
+  if not nixio.fs.access(partition_name) then
+    return 500, "Partition NOT found!"
+  end
+
+  local format_cmd = d.get_format_cmd()
+  if not format_cmd[fs] then
+    return 500, "Filesystem NOT support!"
+  end
+  local cmd = format_cmd[fs].cmd .. " " .. format_cmd[fs].option .. " " .. partition_name
+  local res = luci.util.exec(cmd .. " 2>&1")
+  if res and res:lower():match("error+") then
+    return 500, res
+  else
+    return 200, "OK"
+  end
+end
+
+return d
--- a/luasrc/view/diskman/cbi/disabled_button.htm
+++ b/luasrc/view/diskman/cbi/disabled_button.htm
@ -0,0 +1,7 @@
+<%+cbi/valueheader%>
+	<% if self:cfgvalue(section) ~= false then %>
+		<input class="cbi-button cbi-button-<%=self.inputstyle or "button" %>" type="submit"<%= attr("name", cbid) .. attr("id", cbid) .. attr("value", self.inputtitle or self.title)%> <% if self.view_disabled then %> disabled <% end %>/>
+	<% else %>
+		-
+	<% end %>
+<%+cbi/valuefooter%>
--- a/luasrc/view/diskman/cbi/format_button.htm
+++ b/luasrc/view/diskman/cbi/format_button.htm
@ -0,0 +1,7 @@
+<%+cbi/valueheader%>
+	<% if self:cfgvalue(section) ~= false then %>
+    <input class="cbi-button cbi-button-<%=self.inputstyle or "button" %>" onclick="event.preventDefault();partition_format('<%=self.partitions[section].name%>', '<%=self.format_cmd%>', '<%=self.inputtitle%>');" type="submit"<%= attr("name", cbid) .. attr("id", cbid) .. attr("value", self.inputtitle or self.title)%> <% if self.view_disabled then %> disabled <% end %>/>
+	<% else %>
+		-
+	<% end %>
+<%+cbi/valuefooter%>
--- a/luasrc/view/diskman/cbi/inlinebutton.htm
+++ b/luasrc/view/diskman/cbi/inlinebutton.htm
@ -0,0 +1,7 @@
+<div style="display: inline-block;">
+	<% if self:cfgvalue(section) ~= false then %>
+		<input class="cbi-button cbi-button-<%=self.inputstyle or "button" %>" type="submit"" <% if self.disable then %>disabled <% end %><%= attr("name", cbid) .. attr("id", cbid) .. attr("value", self.inputtitle or self.title)%> />
+	<% else %>
+		-
+	<% end %>
+</div>
--- a/luasrc/view/diskman/cbi/xnullsection.htm
+++ b/luasrc/view/diskman/cbi/xnullsection.htm
@ -0,0 +1,37 @@
+<div class="cbi-section" id="cbi-<%=self.config%>-section">
+	<% if self.title and #self.title > 0 then -%>
+		<legend><%=self.title%></legend>
+	<%- end %>
+	<% if self.description and #self.description > 0 then -%>
+		<div class="cbi-section-descr"><%=self.description%></div>
+	<%- end %>
+	<div class="cbi-section-node">
+		<div id="cbi-<%=self.config%>-<%=tostring(self):sub(8)%>">
+			<% self:render_children(1, scope or {}) %>
+		</div>
+		<% if self.error and self.error[1] then -%>
+			<div class="cbi-section-error">
+				<ul><% for _, e in ipairs(self.error[1]) do -%>
+					<li>
+						<%- if e == "invalid" then -%>
+							<%:One or more fields contain invalid values!%>
+						<%- elseif e == "missing" then -%>
+							<%:One or more required fields have no value!%>
+						<%- else -%>
+							<%=pcdata(e)%>
+						<%- end -%>
+					</li>
+				<%- end %></ul>
+			</div>
+		<%- end %>
+	</div>
+</div>
+<%-
+	if type(self.hidden) == "table" then
+		for k, v in pairs(self.hidden) do
+-%>
+	<input type="hidden" id="<%=k%>" name="<%=k%>" value="<%=pcdata(v)%>" />
+<%-
+		end
+	end
+%>
--- a/luasrc/view/diskman/cbi/xsimpleform.htm
+++ b/luasrc/view/diskman/cbi/xsimpleform.htm
@ -0,0 +1,87 @@
+<% if not self.embedded then %>
+<form method="post" enctype="multipart/form-data" action="<%=REQUEST_URI%>"<%=
+			attr("data-strings", luci.util.serialize_json({
+				label = {
+					choose = translate('-- Please choose --'),
+					custom = translate('-- custom --'),
+				},
+				path = {
+					resource = resource,
+					browser  = url("admin/filebrowser")
+				}
+			}))
+		%>>
+			<input type="hidden" name="token" value="<%=token%>" />
+			<input type="hidden" name="cbi.submit" value="1" /><%
+	end
+
+	%><div class="cbi-map" id="cbi-<%=self.config%>"><%
+
+	if self.title and #self.title > 0 then
+		%><h2 name="content"><%=self.title%></h2><%
+	end
+
+	if self.description and #self.description > 0 then
+		%><div class="cbi-map-descr"><%=self.description%></div><%
+	end
+
+	if self.message then
+		%><div class="alert-message notice"><%=self.message%></div><%
+	end
+
+	if self.errmessage then
+		%><div class="alert-message warning"><%=self.errmessage%></div><%
+	end
+
+	self:render_children()
+
+	%></div><%
+
+	if not self.embedded then
+		if type(self.hidden) == "table" then
+			local k, v
+			for k, v in pairs(self.hidden) do
+				%><input type="hidden" id="<%=k%>" name="<%=k%>" value="<%=pcdata(v)%>" /><%
+			end
+		end
+
+		local display_back   = (self.redirect)
+		local display_cancel = (self.cancel ~= false and self.on_cancel)
+		local display_skip   = (self.flow and self.flow.skip)
+		local display_submit = (self.submit ~= false)
+		local display_reset  = (self.reset ~= false)
+
+		if display_back or display_cancel or display_skip or display_submit or display_reset then
+			%><div class="cbi-page-actions"><%
+
+			if display_back then
+				%><input class="btn cbi-button cbi-button-link" type="button" value="<%:Back to Overview%>" onclick="location.href='<%=pcdata(self.redirect)%>'" /> <%
+			end
+
+			if display_cancel then
+				local label = pcdata(self.cancel or translate("Cancel"))
+				%><input class="btn cbi-button cbi-button-link" type="button" value="<%=label%>" onclick="cbi_submit(this, 'cbi.cancel')" /> <%
+			end
+
+			if display_skip then
+				%><input class="btn cbi-button cbi-button-neutral" type="button" value="<%:Skip%>" onclick="cbi_submit(this, 'cbi.skip')" /> <%
+			end
+
+			if display_submit then
+				local label = pcdata(self.submit or translate("Submit"))
+				%><input class="btn cbi-button cbi-button-save" type="submit" value="<%=label%>" /> <%
+			end
+
+			if display_reset then
+				local label = pcdata(self.reset or translate("Reset"))
+				%><input class="btn cbi-button cbi-button-reset" type="reset" value="<%=label%>" /> <%
+			end
+
+			%></div><%
+		end
+
+		%></form><%
+	end
+%>
+
+<script type="text/javascript">cbi_init();</script>
--- a/luasrc/view/diskman/disk_info.htm
+++ b/luasrc/view/diskman/disk_info.htm
@ -0,0 +1,110 @@
+<script type="text/javascript">
+  window.onload = function () {
+    //disk partition info
+    let p_colors = ["#c0c0ff", "#fbbd00", "#e97c30", "#a0e0a0", "#e0c0ff"]
+    let lines = document.querySelectorAll('[id^=cbi-disk-]')
+    lines.forEach((item) => {
+      let dev = item.id.match(/cbi-disk-(.*)/)[1]
+      if (dev == "table") { return }
+      XHR.get('<%=luci.dispatcher.build_url("admin/system/diskman/get_disk_info")%>/' + dev, null, (x, disk_info) => {
+        // handle disk info
+        item.childNodes.forEach((cell) => {
+          if (cell && cell.attributes) {
+            if (cell.getAttribute("data-name") == "sn" || cell.childNodes[1] && cell.childNodes[1].id.match(/sn/)) {
+              cell.innerText = disk_info.sn || "-"
+            } else if (cell.getAttribute("data-name") == "temp" || cell.childNodes[1] && cell.childNodes[1].id.match(/temp/)) {
+              cell.innerText = disk_info.temp || "-"
+            } else if (cell.getAttribute("data-name") == "p_table" || cell.childNodes[1] && cell.childNodes[1].id.match(/p_table/)) {
+              cell.innerText = disk_info.p_table || "-"
+            } else if (cell.getAttribute("data-name") == "sata_ver" || cell.childNodes[1] && cell.childNodes[1].id.match(/sata_ver/)) {
+              cell.innerText = disk_info.sata_ver || "-"
+            } else if (cell.getAttribute("data-name") == "health_status" || cell.childNodes[1] && cell.childNodes[1].id.match(/health_status/)) {
+              cell.innerText = (disk_info.health || "-") + "\n" + (disk_info.status || "-")
+            } else if (cell.getAttribute("data-name") == "health" || cell.childNodes[1] && cell.childNodes[1].id.match(/health/)) {
+              cell.innerText = disk_info.health || "-"
+            } else if (cell.getAttribute("data-name") == "status" || cell.childNodes[1] && cell.childNodes[1].id.match(/status/)) {
+              cell.innerText = disk_info.status || "-"
+            }
+          }
+        })
+        // handle partitons info
+        if (disk_info.partitions && disk_info.partitions.length > 0) {
+          let partitons_div
+          if (item.nodeName == "TR") {
+            partitons_div = '<tr width="100%" style="white-space:nowrap;"><td style="margin:0px; padding:0px; border:0px; white-space:nowrap;" colspan="15">'
+          } else if (item.nodeName == "DIV") {
+            partitons_div = '<div class="tr cbi-section-table-row cbi-rowstyle-1"><div style="white-space:nowrap; position:absolute; width:100%">'
+          }
+          let expand = 0
+          let need_expand = 0
+          disk_info.partitions.forEach((part) => {
+            let p = part.size / disk_info.size * 100
+            if (p <= 8) {
+              expand += 8
+              need_expand += p
+              part.part_percent = 8
+            }
+          })
+          let n = 0
+          disk_info.partitions.forEach((part) => {
+            let p = part.size / disk_info.size * 100
+            if (p > 8) {
+              part.part_percent = p * (100 - expand) / (100 - need_expand)
+            }
+            let part_percent = part.part_percent + '%'
+            let p_color = p_colors[n++]
+            if (n > 4) { n = 0 }
+            let inline_txt = (part.name != '-' && part.name || '') + ' ' + (part.fs != 'Free Space' && part.fs || '') + ' ' + part.size_formated + ' ' + (part.useage != '-' && part.useage || '')
+            let partiton_div = '<div title="' + inline_txt + '" style="color: #525F7F; display:inline-block; text-align:center;background-color:' + p_color + '; width:' + part_percent + '">' + inline_txt + '</div>'
+            partitons_div += partiton_div
+          })
+          if (item.nodeName == "TR") {
+            partitons_div += '</td></tr>'
+          } else if (item.nodeName == "DIV") {
+            partitons_div += '</div><div>&nbsp</div></div>'
+          }
+          item.insertAdjacentHTML('afterend', partitons_div);
+        }
+      })
+    })
+    //raid table
+    lines = document.querySelectorAll('[id^=cbi-_raid-]')
+    lines.forEach((item) => {
+      let dev = item.id.match(/cbi-_raid-(.*)/)[1]
+      if (dev == "table") { return }
+      console.log(dev)
+      XHR.get('<%=luci.dispatcher.build_url("admin/system/diskman/get_disk_info")%>/' + dev, null, (x, disk_info) => {
+        // handle raid info
+        item.childNodes.forEach((cell) => {
+          if (cell && cell.attributes) {
+            if (cell.getAttribute("data-name") == "p_table" || cell.childNodes[1] && cell.childNodes[1].id.match(/p_table/)) {
+                  cell.innerText = disk_info.p_table || "-"
+                }
+          }
+        })
+        // handle partitons info
+        let partitons_div
+        if (item.nodeName == "TR") {
+          partitons_div = '<tr width="100%" style="white-space:nowrap;"><td style="margin:0px; padding:0px; border:0px; white-space:nowrap;" colspan="15">'
+        } else if (item.nodeName == "DIV") {
+          partitons_div = '<div class="tr cbi-section-table-row cbi-rowstyle-1"><div style="white-space:nowrap; position:absolute; width:100%">'
+        }
+        let n = 0
+        disk_info.partitions.forEach((part) => {
+          let part_percent = part.size / disk_info.size * 100 + '%'
+          let p_color = p_colors[n++]
+          if (n > 4) { n = 0 }
+          let inline_txt = (part.name != '-' && part.name || '') + ' ' + (part.fs != 'Free Space' && part.fs || '') + ' ' + part.size_formated + ' ' + (part.useage != '-' && part.useage || '')
+          let partiton_div = '<div title="' + inline_txt + '" style="display:inline-block; text-align:center;background-color:' + p_color + '; width:' + part_percent + '">' + inline_txt + '</div>'
+          partitons_div += partiton_div
+        })
+        if (item.nodeName == "TR") {
+          partitons_div += '</td></tr>'
+        } else if (item.nodeName == "DIV") {
+          partitons_div += '</div><div>&nbsp</div></div>'
+        }
+        item.insertAdjacentHTML('afterend', partitons_div);
+      })
+    })
+  }
+</script>
--- a/luasrc/view/diskman/partition_info.htm
+++ b/luasrc/view/diskman/partition_info.htm
@ -0,0 +1,138 @@
+<style type="text/css">
+  #dialog_format {
+    position: absolute;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    right: 0;
+    background: rgba(0, 0, 0, 0.7);
+    display: none;
+    z-index: 20000;
+  }
+
+  #dialog_format .dialog_box {
+    position: relative;
+    background: rgba(255, 255, 255);
+    top: 35%;
+    width: 40%;
+    min-width: 20em;
+    margin: auto;
+    display: flex;
+    flex-wrap: wrap;
+    height:auto;
+    align-items: center;
+  }
+
+  #dialog_format .dialog_line {
+    margin-top: .5em;
+    margin-bottom: .5em;
+    margin-left: 2em;
+    margin-right: 2em;
+  }
+
+  #dialog_format .dialog_box>h4,
+  #dialog_format .dialog_box>p,
+  #dialog_format .dialog_box>div {
+    flex-basis: 100%;
+  }
+
+  #dialog_format .dialog_box>img {
+    margin-right: 1em;
+    flex-basis: 32px;
+  }
+
+  body.dialog-format-active {
+    overflow: hidden;
+    height: 100vh;
+  }
+
+  body.dialog-format-active #dialog_format {
+    display: block;
+  }
+</style>
+<script type="text/javascript">//<![CDATA[
+  function show_detail(dev, e) {
+    e.preventDefault()
+    window.open('<%=luci.dispatcher.build_url("admin/system/diskman/smartdetail")%>/' + dev,
+      'newwindow', 'height=480,width=800,top=100,left=200,toolbar=no,menubar=no,scrollbars=yes, resizable=no,location=no, status=no')
+  }
+  window.onload = function () {
+    // handle partition table
+    const init_pt_btn = function() {
+      const btn_p_table = document.getElementById("widget.cbid.table.1.p_table") || document.getElementById("cbid.table.1.p_table")
+      if (!btn_p_table) {
+        setTimeout(init_pt_btn, 500);
+        return;
+      }
+      if (btn_p_table.type == 'hidden')
+        return;
+      const btn_p_table_raw_index = btn_p_table.selectedIndex
+      const val_name = document.getElementById("cbi-table-1-path").innerText.split('/').pop()
+      btn_p_table.onchange = function () {
+        let btn_p_table_index = btn_p_table.selectedIndex
+        if (btn_p_table_index != btn_p_table_raw_index) {
+          if (confirm("<%:Warnning !! \nTHIS WILL OVERWRITE EXISTING PARTITIONS!! \nModify the partition table?%>")) {
+            let p_table = btn_p_table.options[btn_p_table_index].value
+            XHR.get('<%=luci.dispatcher.build_url("admin/system/diskman/mk_p_table")%>', { dev: val_name, p_table: p_table }, (x, res) => {
+              if (res.code == 0) {
+                location.reload();
+              }
+            }
+            );
+          }
+          else {
+          }
+        }
+      }
+    };
+    init_pt_btn();
+    // handle smartinfo
+    const url = location.href.split('/')
+    const dev = url[url.length - 1]
+    const btn_smart_detail = document.getElementById("cbi-table-1-health")
+    btn_smart_detail.children[0].onclick = show_detail.bind(this, dev)
+  }
+  function close_dialog() {
+    document.body.classList.remove('dialog-format-active')
+    document.documentElement.style.overflowY = 'scroll'
+  }
+  function do_format(partation_name){
+    let fs = document.getElementById("filesystem_list").value
+    let status = document.getElementById("format-status")
+    if(!fs) {
+      status.innerHTML = "<%:Please select file system!%>"
+      return
+    }
+    status.innerHTML = "<%:Formatting..%>"
+    let b = document.getElementById('btn_format')
+    b.disabled = true
+    let xhr = new XHR()
+    xhr.post('<%=luci.dispatcher.build_url("admin/system/diskman/format_partition")%>', { partation_name: partation_name, file_system: fs }, (x, res) => {
+      if (x.status == 200) {
+        status.innerHTML = x.statusText
+        location.reload();
+      }else{
+        status.innerHTML = x.statusText
+      }
+    })
+  }
+
+  function clear_text(){
+    let s = document.getElementById('format-status')
+    s.innerHTML = ""
+    let b = document.getElementById('btn_format')
+    b.disabled = false
+  }
+
+  function partition_format(partition_name, format_cmd, current_fs){
+    let list = ''
+    format_cmd.split(",").forEach(e => {
+      list = list + '<option value="'+e+'">'+e+'</option>'
+    });
+    document.getElementById('dialog_format') || document.body.insertAdjacentHTML("beforeend", '<div id="dialog_format"><div class="dialog_box"><div class="dialog_line"></div><div class="dialog_line"><span><%:Format partation:%> <b>'+partition_name+'</b></span><br><span id="format-status" style="color: red;"></span></div><div class="dialog_line"><select id="filesystem_list" class="cbi-input-select" onchange="clear_text()">'+list+'</select></div><div class="dialog_line" style="text-align: right;"><input type="button" class="cbi-button cbi-button-apply" id="btn_format" type="submit" value="<%:Format%>" onclick="do_format(`'+partition_name+'`)" /> <input type="button"class="cbi-button cbi-button-reset" type="reset" value="<%:Cancel%>" onclick="close_dialog()" /></div><div class="dialog_line"></div></div></div>>')
+    document.body.classList.add('dialog-format-active')
+    document.documentElement.style.overflowY = 'hidden'
+    let fs_list = document.getElementById("filesystem_list")
+    fs_list.value = current_fs
+  }
+</script>
--- a/luasrc/view/diskman/smart_detail.htm
+++ b/luasrc/view/diskman/smart_detail.htm
@ -0,0 +1,78 @@
+<html>
+<head>
+  <title>S.M.A.R.T detail of <%=dev%></title>
+  <script type="text/javascript">//<![CDATA[
+    let formData = new FormData()
+    let xhr = new XMLHttpRequest()
+    xhr.open("GET", '<%=luci.dispatcher.build_url("admin", "system", "diskman", "smartattr", dev)%>', true)
+    xhr.onload = function () {
+      let st = JSON.parse(xhr.responseText)
+      let tb = document.getElementById('smart_attr_table');
+      if (st && tb) {
+        /* clear all rows */
+        while (tb.rows.length > 1)
+          tb.deleteRow(1);
+
+        for (var i = 0; i < st.length; i++) {
+          var tr = tb.insertRow(-1);
+          tr.className = 'cbi-section-table-row cbi-rowstyle-' + ((i % 2) + 1);
+          var td = null
+            <% if dev: match("nvme") then %>
+              tr.insertCell(-1).innerHTML = st[i].key;
+          tr.insertCell(-1).innerHTML = st[i].value;
+            <% else %>
+            tr.insertCell(-1).innerHTML = st[i].id;
+          tr.insertCell(-1).innerHTML = st[i].attrbute;
+          tr.insertCell(-1).innerHTML = st[i].flag;
+          tr.insertCell(-1).innerHTML = st[i].value;
+          tr.insertCell(-1).innerHTML = st[i].worst;
+          tr.insertCell(-1).innerHTML = st[i].thresh;
+          tr.insertCell(-1).innerHTML = st[i].type;
+          tr.insertCell(-1).innerHTML = st[i].updated;
+          tr.insertCell(-1).innerHTML = st[i].raw;
+          if ((st[i].id == '05' || st[i].id == 'C5') && st[i].raw != '0') {
+            tr.style.cssText = "background-color:red !important;";
+          }
+            <% end %>
+          }
+        if (tb.rows.length == 1) {
+          var tr = tb.insertRow(-1);
+          tr.className = 'cbi-section-table-row';
+          var td = tr.insertCell(-1);
+          td.colSpan = 4;
+          td.innerHTML = '<em><br /><%:No Attrbute to display.%></em>';
+        }
+      }
+    }
+    xhr.send(formData)
+    //]]></script>
+</head>
+<body>
+  <div id="maincontainer">
+    <fieldset class="cbi-section">
+      <legend><%:S.M.A.R.T Attrbutes%>: /dev/<%=dev%></legend>
+      <table class="cbi-section-table" id="smart_attr_table">
+        <tr class="cbi-section-table-titles">
+          <% if dev:match("nvme") then %>
+          <!-- <th class="cbi-section-table-cell"><%:KEY%></th>
+            <th class="cbi-section-table-cell"><%:VALUE%></th> -->
+          <% else %>
+          <th class="cbi-section-table-cell"><%:ID%></th>
+          <th class="cbi-section-table-cell"><%:Attrbute%></th>
+          <th class="cbi-section-table-cell"><%:Flag%></th>
+          <th class="cbi-section-table-cell"><%:Value%></th>
+          <th class="cbi-section-table-cell"><%:Worst%></th>
+          <th class="cbi-section-table-cell"><%:Thresh%></th>
+          <th class="cbi-section-table-cell"><%:Type%></th>
+          <th class="cbi-section-table-cell"><%:Updated%></th>
+          <th class="cbi-section-table-cell"><%:Raw%></th>
+          <% end %>
+        </tr>
+        <tr class="cbi-section-table-row">
+          <td colspan="4"><em><br /><%:Collecting data...%></em></td>
+        </tr>
+      </table>
+    </fieldset>
+  </div>
+</body>
+</html>
--- a/po/zh-cn/diskman.po
+++ b/po/zh-cn/diskman.po
@ -0,0 +1,239 @@
+msgid ""
+msgstr "Content-Type: text/plain; charset=UTF-8\n"
+
+msgid "DiskMan"
+msgstr "DiskMan 磁盘管理"
+
+msgid "Manage Disks over LuCI."
+msgstr "通过 LuCI 管理磁盘"
+
+msgid "Rescan Disks"
+msgstr "重新扫描磁盘"
+
+msgid "Disks"
+msgstr "磁盘"
+
+msgid "Path"
+msgstr "路径"
+
+msgid "Serial Number"
+msgstr "序列号"
+
+msgid "Temp"
+msgstr "温度"
+
+msgid "Partition Table"
+msgstr "分区表"
+
+msgid "SATA Version"
+msgstr "SATA 版本"
+
+msgid "Health"
+msgstr "健康"
+
+msgid "File System"
+msgstr "文件系统"
+
+msgid "Mount Options"
+msgstr "挂载选项"
+
+msgid "Mount"
+msgstr "挂载"
+
+msgid "Umount"
+msgstr "卸载"
+
+msgid "Eject"
+msgstr "弹出"
+
+msgid "New"
+msgstr "新建"
+
+msgid "Remove"
+msgstr "移除"
+
+msgid "Format"
+msgstr "格式化"
+
+msgid "Start Sector"
+msgstr "起始扇区"
+
+msgid "End Sector"
+msgstr "中止扇区"
+
+msgid "Usage"
+msgstr "用量"
+
+msgid "Used"
+msgstr "已使用"
+
+msgid "Free Space"
+msgstr "空闲空间"
+
+msgid "Model"
+msgstr "型号"
+
+msgid "Size"
+msgstr "容量"
+
+msgid "Status"
+msgstr "状态"
+
+msgid "Mount Point"
+msgstr "挂载点"
+
+msgid "Sector Size"
+msgstr "扇区/物理扇区大小"
+
+msgid "Rotation Rate"
+msgstr "转速"
+
+msgid "RAID Devices"
+msgstr "RAID 设备"
+
+msgid "RAID mode"
+msgstr "RAID 模式"
+
+msgid "Members"
+msgstr "成员"
+
+msgid "Active"
+msgstr "活动"
+
+msgid "RAID Creation"
+msgstr "RAID 创建"
+
+msgid "Raid Name"
+msgstr "RAID 名称"
+
+msgid "Raid Level"
+msgstr "RAID 级别"
+
+msgid "Raid Member"
+msgstr "磁盘阵列成员"
+
+msgid "Create Raid"
+msgstr "创建 RAID"
+
+msgid "Partition Management"
+msgstr "分区管理"
+
+msgid "Partition Disk over LuCI."
+msgstr "通过LuCI分区磁盘。"
+
+msgid "Device Info"
+msgstr "设备信息"
+
+msgid "Disk Man"
+msgstr "磁盘管理"
+
+msgid "Partitions Info"
+msgstr "分区信息"
+
+msgid "Default 2048 sector alignment, support +size{b,k,m,g,t} in End Sector"
+msgstr "默认2048扇区对齐，【中止扇区】支持 +容量{b,k,m,g,t} 格式，例：+500m +10g +1t"
+
+msgid "Multiple Devices Btrfs Creation"
+msgstr "Btrfs 阵列创建"
+
+msgid "Label"
+msgstr "卷标"
+
+msgid "Btrfs Label"
+msgstr "Btrfs 卷标"
+
+msgid "Btrfs Raid Level"
+msgstr "Btrfs Raid 级别"
+
+msgid "Btrfs Member"
+msgstr "Btrfs 阵列成员"
+
+msgid "Create Btrfs"
+msgstr "创建 Btrfs"
+
+msgid "New Snapshot"
+msgstr "新建快照"
+
+msgid "SubVolumes"
+msgstr "子卷"
+
+msgid "Top Level"
+msgstr "父ID"
+
+msgid "Manage Btrfs"
+msgstr "Btrfs 管理"
+
+msgid "Otime"
+msgstr "创建时间"
+
+msgid "Snapshots"
+msgstr "快照"
+
+msgid "Set Default"
+msgstr "默认子卷"
+
+msgid "Source Path"
+msgstr "源目录"
+
+msgid "Readonly"
+msgstr "只读"
+
+msgid "Delete"
+msgstr "删除"
+
+msgid "Create"
+msgstr "创建"
+
+msgid "Destination Path (optional)"
+msgstr "目标目录（可选）"
+
+msgid "Metadata"
+msgstr "元数据"
+
+msgid "Data"
+msgstr "数据"
+
+msgid "Btrfs Info"
+msgstr "Btrfs 信息"
+
+msgid "The source path for create the snapshot"
+msgstr "创建快照的源数据目录"
+
+msgid "The path where you want to store the snapshot"
+msgstr "存放快照数据目录"
+
+msgid "Please input Source Path of snapshot, Source Path must start with '/'"
+msgstr "请输入快照源路径，源路径必须以'/'开头"
+
+msgid "Please input Subvolume Path, Subvolume must start with '/'"
+msgstr "请输入子卷路径，子卷路径必须以'/'开头"
+
+msgid "is in use! please unmount it first!"
+msgstr "正在被使用！请先卸载！"
+
+msgid "Partition NOT found!"
+msgstr "分区未找到！"
+
+msgid "Filesystem NOT support!"
+msgstr "文件系统不支持！"
+
+msgid "Invalid Start Sector!"
+msgstr "无效的起始扇区！"
+
+msgid "Invalid End Sector"
+msgstr "无效的终止扇区！"
+
+msgid "Partition not exists!"
+msgstr "分区不存在！"
+
+msgid "Creation"
+msgstr "创建"
+
+msgid "Please select file system!"
+msgstr "请选择文件系统！"
+
+msgid "Format partation:"
+msgstr "格式化分区："
+
+msgid "Warnning !! \nTHIS WILL OVERWRITE EXISTING PARTITIONS!! \nModify the partition table?"
+msgstr "警告！！\n此操作会覆盖现有分区\n确定修改分区表？"
--- a/po/zh-tw/diskman.po
+++ b/po/zh-tw/diskman.po
@ -0,0 +1,239 @@
+msgid ""
+msgstr "Content-Type: text/plain; charset=UTF-8\n"
+
+msgid "DiskMan"
+msgstr "DiskMan 硬碟管理"
+
+msgid "Manage Disks over LuCI."
+msgstr "通过 LuCI 管理硬碟"
+
+msgid "Rescan Disks"
+msgstr "重新掃描硬碟"
+
+msgid "Disks"
+msgstr "硬碟"
+
+msgid "Path"
+msgstr "路徑"
+
+msgid "Serial Number"
+msgstr "序列號"
+
+msgid "Temp"
+msgstr "溫度"
+
+msgid "Partition Table"
+msgstr "分割區表"
+
+msgid "SATA Version"
+msgstr "SATA 版本"
+
+msgid "Health"
+msgstr "健康"
+
+msgid "File System"
+msgstr "文件系統"
+
+msgid "Mount Options"
+msgstr "掛載選項"
+
+msgid "Mount"
+msgstr "掛載"
+
+msgid "Umount"
+msgstr "卸載"
+
+msgid "Eject"
+msgstr "彈出"
+
+msgid "New"
+msgstr "新建"
+
+msgid "Remove"
+msgstr "移除"
+
+msgid "Format"
+msgstr "格式化"
+
+msgid "Start Sector"
+msgstr "起始磁區"
+
+msgid "End Sector"
+msgstr "結束磁區"
+
+msgid "Usage"
+msgstr "用量"
+
+msgid "Used"
+msgstr "已使用"
+
+msgid "Free Space"
+msgstr "空閒空間"
+
+msgid "Model"
+msgstr "型號"
+
+msgid "Size"
+msgstr "容量"
+
+msgid "Status"
+msgstr "狀態"
+
+msgid "Mount Point"
+msgstr "掛載點"
+
+msgid "Sector Size"
+msgstr "磁區/物理磁區大小"
+
+msgid "Rotation Rate"
+msgstr "轉速"
+
+msgid "RAID Devices"
+msgstr "RAID 裝置"
+
+msgid "RAID mode"
+msgstr "RAID 模式"
+
+msgid "Members"
+msgstr "成員"
+
+msgid "Active"
+msgstr "活躍"
+
+msgid "RAID Creation"
+msgstr "RAID 創建"
+
+msgid "Raid Name"
+msgstr "RAID 名稱"
+
+msgid "Raid Level"
+msgstr "RAID 等級"
+
+msgid "Raid Member"
+msgstr "硬碟陣列成員"
+
+msgid "Create Raid"
+msgstr "創建 RAID"
+
+msgid "Partition Management"
+msgstr "分割區管理"
+
+msgid "Partition Disk over LuCI."
+msgstr "通過 LuCI 分割硬碟。"
+
+msgid "Device Info"
+msgstr "裝置信息"
+
+msgid "Disk Man"
+msgstr "硬碟管理"
+
+msgid "Partitions Info"
+msgstr "分割區信息"
+
+msgid "Default 2048 sector alignment, support +size{b,k,m,g,t} in End Sector"
+msgstr "默認 2048 磁區對齊，【結束磁區】支持 +容量{b,k,m,g,t} 格式，例：+500m +10g +1t"
+
+msgid "Multiple Devices Btrfs Creation"
+msgstr "Btrfs 陣列創建"
+
+msgid "Label"
+msgstr "卷標"
+
+msgid "Btrfs Label"
+msgstr "Btrfs 卷標"
+
+msgid "Btrfs Raid Level"
+msgstr "Btrfs Raid 等級"
+
+msgid "Btrfs Member"
+msgstr "Btrfs 陣列成員"
+
+msgid "Create Btrfs"
+msgstr "創建 Btrfs"
+
+msgid "New Snapshot"
+msgstr "新建快照"
+
+msgid "SubVolumes"
+msgstr "子卷"
+
+msgid "Top Level"
+msgstr "父 ID"
+
+msgid "Manage Btrfs"
+msgstr "Btrfs 管理"
+
+msgid "Otime"
+msgstr "創建時間"
+
+msgid "Snapshots"
+msgstr "快照"
+
+msgid "Set Default"
+msgstr "默認子卷"
+
+msgid "Source Path"
+msgstr "源目錄"
+
+msgid "Readonly"
+msgstr "只讀"
+
+msgid "Delete"
+msgstr "刪除"
+
+msgid "Create"
+msgstr "創建"
+
+msgid "Destination Path (optional)"
+msgstr "目標目錄（可選）"
+
+msgid "Metadata"
+msgstr "元數據"
+
+msgid "Data"
+msgstr "數據"
+
+msgid "Btrfs Info"
+msgstr "Btrfs 信息"
+
+msgid "The source path for create the snapshot"
+msgstr "創建快照的源數據目錄"
+
+msgid "The path where you want to store the snapshot"
+msgstr "存放快照的數據目錄"
+
+msgid "Please input Source Path of snapshot, Source Path must start with '/'"
+msgstr "請輸入快照源路径，源路径必須以'/'開頭"
+
+msgid "Please input Subvolume Path, Subvolume must start with '/'"
+msgstr "請輸入子卷路径，子卷路径必須以'/'開頭"
+
+msgid "is in use! please unmount it first!"
+msgstr "正在被使用！請先卸載！"
+
+msgid "Partition NOT found!"
+msgstr "分割區未找到！"
+
+msgid "Filesystem NOT support!"
+msgstr "文件系統不支持！"
+
+msgid "Invalid Start Sector!"
+msgstr "無效的起始磁區！"
+
+msgid "Invalid End Sector"
+msgstr "無效的結束磁區！"
+
+msgid "Partition not exists!"
+msgstr "分割區不存在！"
+
+msgid "Creation"
+msgstr "創建"
+
+msgid "Please select file system!"
+msgstr "請選擇文件系統！"
+
+msgid "Format partation:"
+msgstr "格式化分割區："
+
+msgid "Warnning !! \nTHIS WILL OVERWRITE EXISTING PARTITIONS!! \nModify the partition table?"
+msgstr "警告！！\n此操作会覆蓋現有分割區\n確定修改分割區表？"
--- a/po/zh_Hans
+++ b/po/zh_Hans
@ -0,0 +1 @@
+zh-cn