Replacing A Cblm Or Cblh Controller; Removing A Cblm Or Cblh Controller - Hitachi G200 Service Manual

4.
5.

Replacing a CBLM or CBLH controller

When you replace a CBLM or CBLH controller, you will have to install the
following components on the new controller:
• Cache memory
• Cache flash memory
• Backup module
You must remove the backup module first, and then remove the controller.

Removing a CBLM or CBLH controller

Before you begin
• Wear a wrist strap connected to the storage system to prevent part
• Confirm that the storage system power is turned on.
• Use the maintenance utility to block the controller.
• Confirm that the red CTL ALARM LED for the controller to be replaced is on.
Procedure
1.
2.
3.
172
Confirm that the red CTL ALM LED on the controller is off.
Connect all the cables you removed.
failures caused by static electricity. Do not remove the wrist strap until you
finish the procedure.
Loosen the right and left blue screws on the lever of the controller in the
front of the CBLM or CBLH controller, and then open the lever.
Loosen the blue screw securing the backup module (BKMF).
Pull out and remove the BKMF.
Service Guide for VSP Gx00 and VSP Fx00 Models
Replacing a controller