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Re: Verify filesystem is aligned to stripes

To: xfs@xxxxxxxxxxx
Subject: Re: Verify filesystem is aligned to stripes
From: Richard Scobie <r.scobie@xxxxxxxxxxxx>
Date: Fri, 26 Nov 2010 15:43:40 +1300
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.8.1.13) Gecko/20080313 SeaMonkey/1.1.9
 Stan Hoeppner wrote:

> I've done no formal testing myself, but the last article I read that
> tested md RAID1 performance showed marginally faster read performance > for a two disk mirror.

All my testing of md RAID1 has shown write performance of one device and single threaded read performance of one device. A second, concurrent read will be directed to the second device though.

Regards,

Richard

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