Table 22: SAS disk drive LEDs: RAID mode
Drive activity LED status Drive status LED
status
Indication
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.
On, off, or flashing
Blue
The drive is operating normally, and it has been
selected by a management application.
On
Regularly flashing
amber (1 Hz)
A predictive failure alert has been received for this
drive.
IMPORTANT:
Replace the drive as soon as possible.
On
Off
The drive is online, but it is not active currently.
Flashing regularly (1 Hz)
Regularly flashing
amber (1 Hz)
CAUTION:
Do not remove the drive. Removing a drive
might terminate the current operation and
cause data loss.
The drive is part of an array that is undergoing
capacity expansion or stripe migration, but a
predictive failure alert has been received for this
drive. To minimize the risk of data loss, do not
replace the drive until the expansion or migration is
complete.
Flashing regularly (1 Hz)
Off
CAUTION:
Do not remove the drive. Removing a drive
might terminate the current operation and
cause data loss.
The drive is rebuilding, erasing, or it is part of an
array that is undergoing capacity expansion or stripe
migration.
Flashing irregularly
Regularly flashing
amber (1 Hz)
The drive is active, but a predictive failure alert has
been received for this drive. Replace the drive as
soon as possible.
Flashing irregularly
Off
The drive is active, and it is operating normally.
Off
Amber
A critical fault condition has been identified for this
drive, and the controller has placed it offline.
Replace the drive as soon as possible.
Table Continued
98
Troubleshooting
