From: Emmanuel Florac <eflorac@intellique.com>
To: xfs@oss.sgi.com
Subject: Re: Calculating swidth On A RAID6 Volume
Date: Tue, 20 Jul 2010 16:44:44 +0200 [thread overview]
Message-ID: <20100720164444.4c1cef88@harpe.intellique.com> (raw)
In-Reply-To: <4C45AF09.5090901@dermichi.com>
Le Tue, 20 Jul 2010 16:13:29 +0200
Michael Weissenbacher <mw@dermichi.com> écrivait:
>
> IIRC sunit and swidth are both specified in units of 512 bytes (don't
> ask me why)
Because this is the disk block size for all disks drives ever made
except the very latest ones (4096 bytes blocks) and the special
RAID-formatted 520 bytes sometimes in use in the past.
> so a sunit value of 512 would mean 256KB stripe size which
> is correct :-)
exactly. Or use su and sw to specify the size in k, m, etc.
--
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next prev parent reply other threads:[~2010-07-20 14:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 12:06 Calculating swidth On A RAID6 Volume Andrew Debenham
2010-07-20 12:40 ` Michael Weissenbacher
2010-07-20 13:22 ` Michael Monnerie
2010-07-20 14:13 ` Michael Weissenbacher
2010-07-20 14:44 ` Emmanuel Florac [this message]
2010-07-20 15:00 ` Michael Monnerie
2010-07-20 15:27 ` Emmanuel Florac
2010-07-21 6:54 ` Dave Chinner
2010-07-20 15:04 ` Michael Monnerie
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