IBM Netfinity FASt T500, Справочник пользователя

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32 IBM Netfinity FAStT500 RAID Controller Enclosure Unit User’s Reference
5 Using Figure 17 as a guide, check the controller indicator lights.
Figure 17. Indicator lights on the controller unit bezel
a If the green power indicator is on and the amber fault indicator is off, go to Step 6 .
b If the green power indicator remains off or the fault indicator is on after a few
seconds, make sure that the controller CRU is locked into place. If the fault
indicator remains on, go to
Step c .
c Use the storage-management software to check the status of both controllers. If
applicable, perform the recovery procedures required by the software. If this
corrects the fault and the controller unit is operating without error, go to
Step 6 .
If not, go to Step d .
d Replace the controller CRU. Then, if there are no error messages or controller
faults, go to Step 6 .
e If the problem is not corrected, call for service.
6 Replace the controller unit bezel, as shown in Figure 7 on page 11 .
Installing additional cache memory in a controller
The controller comes with 256 MB of cache memory installed. You can add an additional
256 MB dual inline memory module (DIMM) for a total of 512 MB cache, with the IBM
Netfinity FAStT500 256 MB Cache option.
Use the following procedure to upgrade your controller cache memory.
Attention: When you handle electrostatic discharge (ESD) sensitive devices, take
precautions to avoid damage from static electricity. For details about
handling ESD-sensitive devices, refer to the following Web site and use a
search term of ESD: http://www.ibm.com/
1 Unlock and open the levers on the controller; then, use the levers to pull the controller
out of the controller unit a few inches. Grasp both sides of the controller to completely
remove it from the controller unit.
Power
Power supply
Controller fan
Controller
Fast write cache