Integrated RAID system with the capability of selecting between software and hardware RAID
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United States of America Patent
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Nov 4, 2003
Grant Date -
Jun 5, 2003
app pub date -
Dec 3, 2001
filing date -
Dec 3, 2001
priority date (Note) -
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Abstract
A system, computer program product and method for servicing requests. A server may be configured to receive a stream of requests to access particular logical block addresses in one or more logical drives in a RAID from one or more clients. The server may be coupled to one or more RAID adapters that are coupled to the RAID. The server may comprise a software RAID and each RAID adapter may comprise a hardware RAID. By monitoring the utilization of the processors in the server and in each RAID adapter, all or part of these received requests may subsequently be routed to either the software RAID or the hardware RAID based on which implementation is more desirable to service these requests.
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