Proactive utilization of fabric events in a network virtualization environment
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United States of America Patent
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May 4, 2010
Grant Date -
N/A
app pub date -
Dec 30, 2004
filing date -
Dec 30, 2004
priority date (Note) -
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Abstract
Network fabric events may be utilized to proactively handle network path outages. A storage network virtualization manager may receive a network fabric event indicating a failure along a network path to a storage device and in response may initiate a proactive error handling mechanism. A storage network virtualization manager may proactively handle a network path failure before I/O requests via that network path fail. The proactive error handling mechanism may be initiated and completed prior to or without a host receiving an indication that an access request to a storage device on the network path has failed. Proactive error handling in response to network fabric events may reduce the number of I/O failures and retries and may also reduce the length of time access requests to storage devices affected by a network fabric path failure must be quiesced.
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