RAID stripe and cluster size configuration

15 pts.
Tags:
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.
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.

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  • PaulRudge
    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
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  • Denny Cherry
    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.
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