Table 3 Front LED status
(continued)
Status
Description
Item
Green = The drive has been selected by a management application and it
is operating normally.
Hard drive LEDs
1
Flashing amber (1 Hz) = The drive is not selected and is indicating a
predictive failure.
Drive locate mode (UID LED is
flashing)
Flashing amber/green = The drive has been selected by a management
application and is indicating a predictive failure.
Amber = The drive might or might not be selected and is indicating drive
failure, link failure, or mismatched configuration.
OFF = The drive is not selected.
Flashing amber if there is a failed component in the system.
NOTE:
The amber chassis fault LED flashes if any component fault is
detected by the System Management Homepage. A fault can be as minor
as a cable unplugged from a NIC port, and therefore may not be cause
for concern.
Chassis fault LED
2
OFF if the system is in good health.
Solid green if the system is in good health.
Chassis health LED
3
OFF if there is a failed component in the system.
This is either blue or off. When on it can be steady or blinking. Used only
for unit identification. To set the LED, use the following CLI command:
SET
ENCLOSURE UID { ON | OFF | SLOW | FAST }
Chassis UID LED
4
OFF = Enclosure is functioning normally.
NOTE:
All these LEDs are off if the enclosure has power but is turned off (see
Table 11 (page 40)
).
Then only the equivalent Chassis LEDs (2,3,4) on the rear Power Pod show status.
Figure 26 Hard drive LEDs
1. Fault/UID LED (amber/blue)
2. Online LED (green)
Table 4 SAS hard drive LED combinations
Status
Description
Item
OFF = Override drive activity output. Drive is not a member of any RAID
volumes <or> Drive is configured but in a replacement or failed state for
Activity/Online LED
1
at least one volume that is a member of a RAID volume <or> Drive is a
spare drive that is or has been activated but has not been
rebuilt.<and>Drive is not rebuilding<and>Drive is not a member of a
volume undergoing capacity expansion or RAID migration.
Solid green = Drive is a member of a RAID volume <and> Drive is not a
spare drive <and> Drive is not in a replacement or failed state for any
volume that is a member of a RAID volume <and> Drive is not currently
performing I/O activity.
36
Monitoring and troubleshooting the storage system
