HP Smart Array 6400 Series Controllers Support Guide, September 2007

Figure B-1 Physical Disk Status LED Indicators
Table B-1 Physical Disk Status from LED Illumination Pattern
InterpretationFault (3)Online (2)Activity (1)
A predictive failure alert has been received for this disk. Replace
the disk as soon as possible.
FlashingOn or OffOn, Off, or
Flashing
The disk is online and configured as part of an array.
If the array is configured for fault tolerance, all other disks in the
array are online, and a predictive failure alert is received or a disk
capacity upgrade is in progress, the disk can be replaced online.
OffOnOn, Off, or
Flashing
The disk is rebuilding or undergoing capacity expansion.
Do not remove the disk. Removing a disk may terminate the
current operation and cause data loss.
OffFlashingOn, or Flashing
The disk is being accessed, but one of the following conditions
applies:
• It is not configured as part of an array.
• It is a replacement disk and rebuild has not yet started.
• It is spinning up during the POST sequence.
Do not remove the disk.
OffOffOn
One of the following conditions applies:
• the drive is part of an array being selected by saconfig.
• sautil is upgrading the drive firmware.
Do not remove the disk. Removing the disk can cause data loss
in non-fault-tolerant configurations.
FlashingFlashingFlashing
68 Physical Disk Installation and Replacement