Number
Item
Description
6
Lock
Locks and unlocks the front
panel bezel by using the
supplied key.
Note: Removing a controller can cause the POWER, READY, WARNING, and
ALARM LEDs on the front panel to turn off. These LEDs return to the on status
after the storage system recovers from the controller replacement.
CBL controller front panel LEDs (without bezel)
The following table describes the definitions of the CBL controller front panel LEDs.
Number
Item
Description
1
POWER ON/OFF (main
switch)
Powers the storage system.
2
POWER, READY, WARNING,
and ALARM LEDs
Note: When System Option
Mode 1097 is set to ON,
the WARNING LED does not
blink, even if the following
failure service information
messages (SIM) are issued:
452xxx, 462xxx, 3077xx,
4100xx, and 410100.
3
Controllers
Controller 1 (bottom) and
Controller 2 (top).
4
Backup module
N/A
CBL controller front panel LEDs (without bezel)
Chapter 2: System controller
Hitachi Virtual Storage Platform G900 Hardware Reference Guide
16