perf tuning for ESX vmfs3 on RAID

Posted by maruti on Server Fault See other posts from Server Fault or by maruti
Published on 2010-04-25T08:30:48Z Indexed on 2010/04/25 11:03 UTC
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looking for recommendations on ESX4 OS - VMFS version3:

RAID-5 : matching the stripe size with VMFS block size? (64K, 128K etc)

RAID controller options: "adaptive read ahead, write-back" on PERC 6i

90% VMs on server are Windows (2008, 2003, Vista etc, SQL 2005 etc)

i have read that smaller stipes are good for writes and larger for reads. Since this is virtual env, not sure whats good.

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