HP ProLiant ML110 G2 Server - Manual (Page 60)

Troubleshooting 60
• If only one SCSI hard drive is used, install it in the bay with the lowest number.
• Drives must be the same capacity to provide the greatest storage space efficiency when drives are
grouped together into the same drive array.
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.
SAS and SATA hard drive LED combinations
NOTE: Predictive failure alerts can occur only when the server is connected to a Smart Array
controller.
Online/activity
LED (green)
Fault/UID LED
(amber/blue)
Interpretation
On, off, or flashing Alternating amber
and blue
The drive has failed, or a predictive failure alert has been received
for this drive; it also has been selected by a management
application.