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Re: XFS over LVM over md RAID

To: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
Subject: Re: XFS over LVM over md RAID
From: Richard Scobie <richard@xxxxxxxxxxx>
Date: Fri, 10 Sep 2010 12:52:25 +1200
Cc: xfs@xxxxxxxxxxx
In-reply-to: <201009100225.55562@xxxxxx>
References: <4C89668E.6010800@xxxxxxxxxxx> <201009100225.55562@xxxxxx>
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20100317 Lightning/1.0b1 SeaMonkey/2.0.4
Michael Monnerie wrote:

FWIW, a stripe set of 256k means you do read/write 256k from a single
drive on each I/O, then the next 256k from the next drive. I hope you
have very few small accesses and mostly very large files. If you'd use a
database on that system it would crawl...

Mostly > 2MB and multi GB.



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