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Hot-plug SCSI hard drive LED combinations

Activity LED (1)

Online LED (2)

Fault LED (3)

Interpretation

On, off, or flashing

On or off

Flashing

A predictive failure alert has been received for this drive.

Replace the drive as soon as possible.

On, off, or flashing

On

Off

The drive is online and is configured as part of an array.

If the array is configured for fault tolerance and all other drives in the array are online, and a predictive failure alert is received or a drive capacity upgrade is in progress, you may replace the drive online.

On or flashing

Flashing

Off

Do not remove the drive. Removing a drive may terminate the current operation and cause data loss.

The drive is rebuilding or undergoing capacity expansion.

On

Off

Off

Do not remove the drive.

The drive is being accessed, but (1) it is not configured as part of an array; (2) it is a replacement drive and rebuild has not yet started; or (3) it is spinning up during the POST sequence.

Flashing

Flashing

Flashing

Do not remove the drive. Removing a drive may cause data loss in non-fault-tolerant configurations.

One or more of the following conditions may exist:

  • The drive is part of an array being selected by an array configuration utility
  • Drive Identification has been selected in HP SIM
  • The drive firmware is being updated

Off

Off

On

The drive has been placed offline due to hard disk drive failure or subsystem communication failure.

You may need to replace the drive.

Off

Off

Off

One or more of the following conditions may exist:

  • The drive is not configured as part of an array
  • The drive is configured as part of an array, but it is a replacement drive that is not being accessed or being rebuilt yet
  • The drive is configured as an online spare

    If the drive is connected to an array controller, you may replace the drive online.