A physical disk drive property indicating the status of the drive. A physical disk drive can be in one of the following states:

>Unconfigured Good

A disk accessible to the RAID controller but not configured as a part of a virtual disk or as a hotspare.

>Online

A physical disk can be accessed by the RAID controller and is part of the virtual disk.

>rebuild

A physical disk to which data is being written to restore full redundancy for a virtual disk.

>failed

A physical disk that was originally configured as Online but on which the firmware detects an unrecoverable error.

>Unconfigured bad

A physical disk on which the firmware detects an unrecoverable error; the physical disk was Unconfigured Good or the physical disk could not be initialized. Disks with a status of "Unconfigured bad" cannot be used for RAID configurations.

>Missing

A physical disk that was Online, but which has been removed from its location.

>offline

The drive is offline or absent. No actions can be performed on the drive until it is back online.

>Global hotspare

The drive will be used to repair any array in the system that had a drive failure, if the failed drive is equal to, or smaller than the hot spare drive.

>Ready

The drive is online and operating correctly.

>Foreign

The drive is part of an array created on a different controller, or created within one enclosure and moved to another on the same controller. It can be used to create a new array after clearing configuration.

>None

A physical disk with the unsupported flag set. An Unconfigured Good or Offline physical disk that has completed the prepare for removal operation.

>copyback

A bad physical disk replaced by a good one, then hotspare will copyback data to the good one and change back to hotspare