System and method for multipath I/O support for fibre channel devices
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United States of America Patent
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Mar 15, 2011
Grant Date -
N/A
app pub date -
May 20, 2010
filing date -
Mar 6, 2002
priority date (Note) -
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Abstract
A system and method enables a file server, to support multi path input/output operations for Fibre Channel devices. Upon each Fibre Channel Arbitrated Loop initialization event generated, the system and method updates a path and device instance to track multiple paths to a given device. While the file server is attempting input/output operations, the failure of a given path can be corrected by the use of another path associated with a given device. The data structures generated by the low levels of the storage operating system are exposed for use by upper level services for routing a storage device identification purposes.
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