Friday, March 30, 2012

RAID stripe size confusion

setting up a new ibm xserve server.
The SCSI serveRAID controller says to use 16kb stripe for generic
"transaction processing database" (not sql server specific). but the
IBM SQL server 2005 on xserve guide says to use 64kb stripes.
posts I have seen say to use scsi controller defaults unless a reason.
which should we choose?this is for RAID10 data drives.
THe redpaper 64kb setting up with a san which we do not have.
but 16k stripe size seems odd for sql server.

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