Compaq Drive Array Log Drive Auto Rel

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Compaq Array Controller Logical Drive Auto-Reliability Delay. This value indicates how many seconds the logical drive will wait with no requests before beginning Auto-Reliability monitoring. For example, the default value is five, so the logical drive will begin Auto-Reliability monitoring if it receives no requests for five seconds. If the value is zero, the logical drive will not perform Auto-Reliability monitoring. Auto-Reliability only operates if the logical drive is configured in one of the fault tolerance modes. If the logical drive receives a request while performing Auto-Reliability monitoring, the drive will stop monitoring to process the request. Once it has satisfied all incoming requests, the drive will wait for the Auto-Reliability delay to expire before returning to Auto-Reliability monitoring. Auto-Reliability monitoring is a process to insure the highest level of data reliability. In this process each disk is scanned to verify that all of the sectors in the drive array are readable. If the Auto-Reliability monitoring process detects any bad sectors on the drives, it automatically remaps these bad sectors where possible.