Storage system controllers
Ev
ery storage system has two controllers. The controllers contain fans and
power supplies, and provide the interfaces between a host and the storage
system.
A controller manages the I/O between the host system and data volumes.
CBLM controller
CBLM with front panel bezel
Number Item Description
1
POWER LED Green: Storage system is
powered on.
Amber: Stor
age system is
receiving power.
2
READY LED Green: Normal operation.
3 WARNING LED
Off: Normal operation.
Amber: Component requires
maintenance.
Blink: Failure requires
maintenance.
When System Option Mode
1097 is set to ON, the
WARNING LED does not blink
even if the following failure
information SIM issues failure
information SIM: 452xxx,
462xxx, 3077xy, 4100xx and
410100.
26 Hardware description
Hitachi Virtual Storage Platform G400, G600 Hardware Reference Guide
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