Component identification 19
Item LED description Status
1 Activity status On = Drive activity
Flashing = High activity on the drive or drive
is being configured as part of an array.
Off = No drive activity
2 Online status
On = Drive is part of an array and is
currently working.
Flashing = Drive is actively online.
Off = Drive is offline.
3 Fault status On = Drive failure
Flashing = Fault-process activity
Off = No fault-process activity
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.
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