Recently I got a reference like "Due to performance implications, the use of RAID-5 or RAID-6 with 5.2k, 5.4k or 7.2k spindls is not recommended for Exchange2010" from Microsoft links. I believe it is Microsoft's alone. But it is really mandatory in some tools published by MS.
When doing a exchange sizing we look at both Raid 1 and Raid 5 configuration and we determine which one will be the most cost effective. We provide the account team with a few option and let them make the determination.
but if the workload is a sequential work load Raid 5 might be a better choice.
LouisLu
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Posted October 9th, 2011 02:00
Hola,
Recently I got a reference like "Due to performance implications, the use of RAID-5 or RAID-6 with 5.2k, 5.4k or 7.2k spindls is not recommended for Exchange2010" from Microsoft links. I believe it is Microsoft's alone. But it is really mandatory in some tools published by MS.
L