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PaulRudge
15 pts.
 RAID stripe and cluster size configuration
Direct Attached Storage, RAID, RAID configuration, RAID stripe size
Does anyone know some way of testing/ tuning the best performance out of a DAS RAID. ie. Different Stripes and formatted clusters for the different types of raid.

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ASKED: April 22, 2009  11:21 PM
UPDATED: May 14, 2009  6:33 PM
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The only way to test would be to rebuild the array and try again.
Last Wiki Answer Submitted:  April 26, 2009  4:29 am  by  Denny Cherry   64,520 pts.
All Answer Wiki Contributors:  Denny Cherry   64,520 pts.
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I meant some software that would test the different performances under different conditions, a sort of ramping tests to show max performance, saturation bandwidth, maximum throughput, etc .usual stats

PaulRudge
 15 pts.
 

Microsoft has some software which you can download which will push a ton of IO to the disks. It’s called SQLIOSim. It’s a free download. You give it the parameters you want, and it will flood the disk with IO. Make sure that you select the correct settings to mimic your actual workload.

Denny Cherry
 64,520 pts.