Replacing Cache Memory For A Cbss Or Cbsl Controller - Hitachi G200 Service Manual

Replacing cache memory for a CBSS or CBSL controller

Before you begin
• Wear a wrist strap connected to the storage system to prevent part
• Use the maintenance utility to block the controller.
• Confirm that the storage system power is turned on.
• Confirm that the red CTL ALARM LED for the controller containing the cache
Procedure
1.
2.
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failures caused by static electricity. Do not remove the wrist strap until you
finish the procedure.
memory to be replaced is on.
Remove all cables connected to the controller.
Loosen the blue screw that secures the controller and open the lever.
Note: The POWER, READY, WARNING, and ALARM LEDs might go off. If
the LED on the front goes off, check whether a component other
than the controller has normal status in the Maintenance Utility
window and continue the replacement. The green READY LED on
Replacing cache memory
Service Guide for VSP Gx00 and VSP Fx00 Models