From: Michael Monnerie <michael.monnerie@is.it-management.at>
To: xfs@oss.sgi.com
Subject: Re: xfs_fsr question for improvement
Date: Mon, 3 May 2010 09:41:06 +0200 [thread overview]
Message-ID: <201005030941.07109@zmi.at> (raw)
In-Reply-To: <201005030849.47591@zmi.at>
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On Montag, 3. Mai 2010 Michael Monnerie wrote:
> When I created that XFS, I took two 2TB partitions, did pvcreate,
> vgcreate and lvcreate. Could it be that lvcreate automatically
> thought it should do a RAID-0? Because all reads are equally split
> between the two volumes. After a while, I added the 3rd 2TB volume,
> and I can't see that behaviour there. So maybe this is the source of
> all evil.
I found that lvcreate really is too smart:
-i, --stripes Stripes
Gives the number of stripes. This is equal to the number
of physical volumes to scatter the logical volume.
So it seems lvcreate did know that the VG was split among 2 "disks", and
therefore used -i2 while I wanted -i1.
> reldiratime
Should be nodiratime, of course.
--
mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc
it-management Internet Services
http://proteger.at [gesprochen: Prot-e-schee]
Tel: 0660 / 415 65 31
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next prev parent reply other threads:[~2010-05-03 7:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-16 8:43 xfs_fsr question for improvement Michael Monnerie
2010-04-16 10:43 ` Stan Hoeppner
2010-04-17 1:24 ` Dave Chinner
2010-04-17 7:13 ` Emmanuel Florac
2010-04-25 11:17 ` Peter Grandi
2010-04-25 13:02 ` Emmanuel Florac
2010-04-25 21:04 ` Eric Sandeen
2010-04-25 21:44 ` Emmanuel Florac
2010-04-26 0:02 ` Linda Walsh
2010-05-03 6:49 ` Michael Monnerie
2010-05-03 7:41 ` Michael Monnerie [this message]
2010-05-03 12:17 ` Dave Chinner
2010-05-10 22:39 ` Michael Monnerie
-- strict thread matches above, loose matches on Subject: below --
2010-04-26 20:58 Richard Scobie
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