Difference between revisions of "Plugin/webGui/Device Status"

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== Device Status ==
There is a line in this section for each storage device known by your unRAID server.
There is a line in this section for each storage device known by your unRAID server.

Latest revision as of 22:30, 1 July 2013

There is a line in this section for each storage device known by your unRAID server.

Colored status indicator

The significance of the color indicator at the beginning of each line is as follows:

  • Green: the hard drive status is Normal
  • Yellow: the data contents of the actual hard drive are invalid. The parity disk has this status when parity information is not valid and while Parity-Sync is taking place. A data disk has this status during Reconstruction. (Yes the color looks more like orange.)
  • Red: the disk is disabled.
  • Blue: a new disk not currently part of the array.
  • Grey: indicates no disk present.
  • Blinking: indicates the corresponding disk has been spun-down.

Device name

The device name is also a link that will open a page to set specific options for that device.

On that page you can set the spin-down-delay and the spin-up groups specific to that disk. The spin-down delay will override the global spin-down delay setting if set on an individual disk.


This data is read directly from the hard drive.


This is the temperature reported by the hard drive via S.M.A.R.T. When the disk is spun down, there will be an asterisk (*) displayed here instead. This is because sending the command to a hard drive to obtain S.M.A.R.T. information would cause it to spin up.

A Flash device does not report temperature.


This is the capacity of partition 1 on the device. This is slightly less than the total raw capacity of the drive due to partition table structure overhead. In most cases this overhead is 32K bytes (64 sectors).


This is the amount of free space in the device's file system. The free space of a freshly formatted disk will always be less than the disk's raw size because of file system overhead.

Reads, Writes, Errors

The Read and Write statistics display the number of read and write operations that have been performed by the device.

The Error statistic displays the number of read and write operations which have failed. In a protected array, any single-disk read error will be corrected on-the-fly (using parity reconstruction). The Error counter will increment for every such occurrence. Any single-disk write error will result in the Error counter being incremented and that disk being disabled.

Upon system boot, the statistics start out cleared; and they may be manually cleared at any time; refer to Array Status page.