Compaq Infortrend manual Forcing Controller Failover for Testing, Redundant Controller 10-33

Forcing Controller Failover for Testing

This function is reserved for de-bugging.

Testing the failover functionality can be performed using the following methods.

1.Pulling out one of the controllers to simulate controller failure

Pull out either the primary or the secondary controller An error message will display immediately with sounded alarm. The existing controller takes over the workload within a second. Clear all errors by pressing the ESC key. You may now install the controller once removed after all activities have been taken over by the existing controller. It may take a while for the controllers to finish re- initialization and assuming their load.

2.Failover by "Forcing controller failure"

Select "View and Edit Peripheral Devices," "Set Peripheral Device Entry," and "Redundant Controller Primary/Secondary."

Select "Force Primary/ Secondary Controller Failure." You may now pull out the controller you had just disabled. I/Os should be continued by the existing controller. Continue the aforementioned procedure to complete the test.

WARNING!

•This function should only be performed for testing the redundant controller functionality before any critical data is committed to drives. Although the controller is designed to be hot-swappable, unpredictable failures may occur during the process, i.e. improper handling of PCB boards while replacing the controller.

Redundant Controller 10-33