System and method for a failover protocol in storage area...

Details System and method for a failover protocol in storage area... System and method for a failover protocol in storage area...

2008-07-29

2008-07-29

Qureshi, Afsar M. (Department: 2616)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S395710, C370S401000, C709S238000, C710S001000

Reexamination Certificate

active

10083136

ABSTRACT:
A system and method for managing the multipath failover protocol of a storage area network that includes storage systems that include multiple ports and multiple storage controllers. A number of available storage paths between each server and each storage unit of the storage system are identified. A storage path is selected. In the event that the storage path becomes inoperable, an alternate storage path is selected in replacement of the inoperable storage path. The alternate storage path will be selected so that it does not include a storage controller that was part of the inoperable storage path.

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