Led Indicators; Front Panel Indicators - Silicon Graphics InfiniteStorage 6120 User Manual

1.2.6

LED Indicators

The InfiniteStorage 6120 has both FRU and status LEDs to indicate the state of various components
within the enclosure. Each FRU has a visible blue identity LED. Each FRU, except the drive module,
has a visible amber LED which indicates a fault.
1.2.6.1

Front Panel Indicators

The front panel indicators show the aggregated status of all the modules
defined in
System Fault
System Power
Figure 12. Front Panel LED Description
LED
Individually
numbered
0 0 7 - 5 5 3 3 - 0 0 1
Figure 12. The Drive Activity LEDs indicate drive presence and flash during data I/O.
Figure 11. Front Panel LED Indicators
Shelf Identify
Definition Color
Shelf Identify Blue
System Fault Amber
System Power Green
Cover Open Amber
DEM Fault Amber
Drive Fault Amber
HDDs Green
The InfiniteStorage 6120 System Hardware
Cover Open
Drive Activity LEDs
Status
ON - SES is sending an identify command
OFF - SES is NOT sending an identify command
ON - one or more components within enclosure have failed. A
service action is required. Exact failed component has its own
amber fault LED lit.
OFF - no detectable faults
ON - DC power is present
OFF - DC power is not present
LED does NOT flash under normal operating conditions
OFF - both cover pieces securely closed and latched in place
ON - either of the cover pieces is NOT securely closed and latched
in place
OFF - all DEMs operating correctly
ON - at least one DEM has failed; service action required
ON - one or more HDDs are failed; SES must determine exact
HDD
OFF - no detectable drive faults
ON - when SAS HDD is present
Blinks - indicates HDD activity
OFF - no HDD activity
. The LEDs are
(Figure 11)
DEM Fault
Drive Fault
11