Correct stripe with for RAID-50

Posted by daniel on Server Fault See other posts from Server Fault or by daniel
Published on 2011-08-06T18:54:01Z Indexed on 2012/08/29 21:41 UTC
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I've been trying to determine what the correct stripe width for a RAID-50 volume is but haven't been successful in google searches or empirical tests. The volume is built off of 4 disk spans that contain 6 disks each. If I understand it correctly, each individual span is a RAID-5 volume and the 4 spans are combined using RAID-0. However, I'm not seeing any noticable effect when I vary the stripe-width from 2-20. Suggestions?

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