Monitoring Status Through Software - IBM Netfinity FASt T500 User Reference

2 Turn off the power switches on the back of the controller unit (see
12).
3 Turn off any drive enclosures attached to the controller unit.

Monitoring status through software

To monitor controller unit status, always run the storage-management software and check
it frequently. Be sure to enable the management alerts that you need. The storage-
management software provides the best way to diagnose and repair controller unit failures.
This software can help you:
• Determine the nature of the failure
• Locate the failed component
• Provide recovery procedures to repair the failure
Although the controller unit has fault indicators, these lights are summary indicators and
might not identify the specific component that has failed or needs replacing, or which type
of recovery procedure you must perform. In some cases (such as loss of redundancy in
controller unit components), the fault light does not come on. Only the storage-
management software can detect the failure.
Recovering from a controller unit failure might require you to perform procedures other
than replacing the component. The storage-management software gives these procedures.
Note: Always follow the software recovery procedures to prevent data loss.
For more information about the storage-management software, refer to the following:
• IBM Netfinity FAStT Storage Manager for Windows NT Installation and Support Guide
• IBM Netfinity Fibre Channel Storage Manager Concepts Guide
• The following IBM Netfinity FAStT Storage Manager online help is available:
• Enterprise Management Online Help
• Subsystem Management Online Help
14 IBM Netfinity FAStT500 RAID Controller Enclosure Unit User's Reference
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