Storage system controllers
Every 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.
CBLH controller
CBLH with front panel bezel
Number
Item Description
1
POWER LED Green: Storage system is
powered on.
Amber: Storage system is
receiving power.
2
READY LED Green: Normal operation.
3 WARNING LED
Off: Normal operation.
Amber: Component requires
maintenance.
Blink: Failure requires
maintenance.
Note: When System
Option Mode 1097 is
set to ON, the
WARNING LED does
not blink even if the
following failure
information issues SIM:
Failure information
SIM: 452xxx, 462xxx,
24 Hardware description
Hitachi Virtual Storage Platform G800 Hardware Reference Guide
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