08-04-2011
if you want to use mpio - this is part of AIX. If you use HDS or EMC storage than the drivers come from the vendor. I think IBM storage brings its own multipath software too (not sure - I seem to end up always in EMC companies
)
If your storage is presented via vscsi from the vio servers, than AIX will use MPIO pretty much by default but you will have to set up the failover and path settings like queuedepth and priority ....
Regards
zxmaus
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