IBM DS3500, Installation, User'S, And Maintenance Manual

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10. Remove the cover (see “Removing and installing a cover” on page 5-2).
11. Remove the battery from the failed controller.
a. Loosen the blue captive fastener till you can move the battery in the direction that is indicated by
the arrow.
b. Slide the battery unit out of the controller in the direction that is indicated by the arrow.
c. Set the battery aside.
12. If the capacity of the DIMM in the controller that you removed is more than 1024 MB, complete the
following steps to transfer the DIMM to the new controller:
a. Remove the 1024 MB DIMM from the new controller and set it aside (see “Replacing the memory
cache DIMM” on page 5-33 for instructions).
b. Insert the DIMM into the new controller (see “Installing the DIMM” on page 5-35 for
instructions).
13. Install the battery from step 11 into the new controller:
a.
Slide the battery into the controller until the connector pins of the battery are firmly affixed to
the battery connector of the controller.
b.
Turn the captive fastener clockwise to secure the battery in place.
14.
Install the cover (see “Removing and installing a cover” on page 5-2)
Attention: Remove the temporary filler before you install the replacement controller.
15. Install the new controller.
a. Make sure that the release levers on the controller are in the OPEN position.
b. Slide the controller into the bay until it stops.
c. Push the release levers to the CLOSED position.
16. Connect the cables that you disconnected in step 7 on page 5-6.
17. (Single-controller only) Turn on the storage subsystem (see “Turning on the storage subsystem” on
page 4-2).
18.
Wait up to 5 minutes for the Storage Manager software to detect the new controller.
19.
Complete any remaining RECOVERY GURU procedures for controller replacement.
20. Check the LEDs on the new controller to ensure that the controller is fully operational.
21. Use the Subsystem Management window to check the status of all components in the storage
subsystem.
v If the new controller is online and the Subsystem Management window indicates normal
operation, go to step 24 on page 5-8.
v If the new controller is online and the Subsystem Management window indicates a problem
status, go to “Troubleshooting the storage subsystem” on page 4-6.
v If the new controller is offline, continue with step 22 on page 5-8.
Battery connector
Captive fastener
Memory cache battery
Figure 5-5. Removing the battery unit from the controller
Chapter 5. Replacing components
5-7