Note: DIMMs are installed in sets of four. There are two groups of cache
memory DIMM slots: CMG0 and CMG1. Populate the CMGO slots first, and then
populate the CMG1 slots if necessary.
Before you begin
• Wear a wrist strap connected to the storage system to prevent part
failures caused by static electricity. Do not remove the wrist strap until you
finish the procedure.
• 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
memory to be replaced is on.
Procedure
1. Remove the front bezel.
2. Loosen the blue left and right screws on the lever of the controller to add
the cache memory in the front of the CBLM or CBLH 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
the front of the CBLM/CBLH goes on after restoring the controller
at the end of the replacement procedure.
3. Loosen the blue screw securing the backup module.
4. With the lever opened, pull out and remove the backup module.
192 Replacing cache memory
Service Guide for VSP Gx00 and VSP Fx00 Models
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