Server initiated predictive failure analysis for disk drives
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United States of America Patent
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Dec 8, 2009
Grant Date -
May 27, 2004
app pub date -
Jun 20, 2002
filing date -
Jun 20, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a method, apparatus and program product for improving reliability in RAID/Server systems by monitoring the RAID/Server system at the system level for predictive failure analysis (PFA) triggering events. Examples of PFA triggering events include: rebuild operations, addition of new disk drives, a change in usage patterns, and suspected handling damage. Once a triggering event is detected, the RAID/Server system issues a command to the disk drives in the system to begin performing PFA. If a PFA error is detected on any of the drives, the error is reported to the RAID/Server system.
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