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256 LUNS on one FA Channel
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3/14/2008 9:34:09 AM
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We use an EMC Symmetrix SAN. We zone lots of storage. Recently had some new storage zoned and we could not "see" the storage. Turns out that 64 bit windows can only see the first 256 luns zoned to an FA Channel. Now 32 bit windows does not have this issue, so things actually "took a step backwards" with 64 bit.
This was a frustrating development. Currently we have no solution from Microsoft (thankyou). The work around is to have our SAN Administrator zone luns over 256 down another FA Channel.
Plan you SAN Carefully.
Found this:
310072 Adding support for more than eight LUNs in Windows Server 2003 and in Windows 2000
http://support.microsoft.com/default.aspx?scid=kb;EN-US;310072
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