Friday, November 25, 2011

What is the different between mirroring, Routing and multipathing?

Redundancy Functions Relationships Role

Mirroring Generates 2 i/os to 2 storage targets Creates 2 copies of data

Routing Determined by switches independent of SCSI Recreates n/w route after a failure

Multipathing Two initiator to one target Selects the LUN initiator pair to use

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