Storage Spaces SAS MPIO

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how should mpio configured (if needed altogether) when storage spaces clustered? i've noticed while performing tests when mpio enabled, saw huge drop while performing sequential write ios. when using mpio in round robin mode, sequential io @ 256kb between 50-100mb/s. when switching policy of each drive failover , setting 1 of path standby, performance same test 570mb/s, same thing when mpio not configured. tested least queue depth policy , had little better performance @ 175mb/s. i test other policies mpio find rather strange round robin such poor performer in case should use paths.

mathieu isabel

just quick update, after tests, looks using least blocks mpio policy is way go in order have active/active configuration doesn't incur performance penalty.


Windows Server  >  Windows Server 2012 General



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