Note: Removing a controller can cause the POWER, READY, WARNING, and
ALARM LEDs on the front panel to go off. These LEDs return to their on state
after the storage system recovers from the controller replacement.
CBLH front panel without bezel
The following table describes the definitions of the CBLH controller front panel
LEDs.
Number
Item Description
1
POWER ON/OFF (main switch) Powers the storage system.
2
POWER, READY, WARNING, and
ALARM LEDs
See the previous table.
3
Controllers Controller 1 (bottom) and
Controller 2 (top).
4
Backup module
N/A
5 BACKUP LED
Green: Power restoration in
progress following power
outage.
Fast blink green: Restoring.
Slow blink green: Restoring, or
sequential shutdown in
progress.
6
Cache flash memory
N/A
7
ALM LED (for cache flash
memory)
Red: Cache flash memory can
be removed.
8
CTL ALM LED Red: Controller can be
removed.
Blink red: Failure with the
power supply unit of the
controller.
Hardware description 45
Service Guide for VSP Gx00 and VSP Fx00 Models
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