SAN Booting with SDDPCM

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01-05-2008, 07:21 AM

johno@foobox.net

Posts: n/a

SAN Booting with SDDPCM

I am running AIX 5.2 ML06 on 550, 510, and 520 and have my rootvg on
SAN (ESS800) In addition all my applications and databases resif on
the SAN as well. For the applications VG's I am using SDD. I want to
create redundancy for my rootvg now, and see SDDPCM as my only option.

I called IBM and told them what I want to do and they told me
that the preferred mehtod for rootvg redunancy is to rezone my switch
so that I can only see a particular LUN off of only one of the FC HBA's
and then mirror rootvg across the unique LUNS. After talking to IBM I
relized that if I rezone my switch I would screw up my multipathing
under SDD for my application VG's.

For this reason I think I should continue to just run everything under
SDDPCM.

Does this sound like a resonable approach?

Thanks

John Oetinger

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SAN Booting with SDDPCM