From: Michael Monnerie <michael.monnerie@is.it-management.at>
To: xfs@oss.sgi.com
Subject: Re: Premature "No Space left on device" on XFS
Date: Fri, 7 Oct 2011 13:40:24 +0200 [thread overview]
Message-ID: <201110071340.25077@zmi.at> (raw)
In-Reply-To: <20111007013711.GW3159@dastard>
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On Freitag, 7. Oktober 2011 Dave Chinner wrote:
> And with 1.7 million inodes in it. That's a lot for a tiny
> filesystem, and not really a use case that XFS is well suited to.
> XFS will work, but it won't age gracefully under these conditions...
But which FS would fit better for that? We have similar usages, so I'm
curious.
> As it is, your problem is most likely fragmented free space (an
> aging problem). Inodes are allocated in chunks of 64, so require an
> -aligned- contiguous 16k extent for the default 256 byte inode size.
> If you have no aligned contiguous 16k extents free then inode
> allocation will fail.
Would this be a use case for the "noikeep" mount option?
When would be the time XFS drops inode clusters that are already empty,
when I use noikeep on an aged XFS with lots of such unused inode
allocations?
--
mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc
it-management Internet Services: Protéger
http://proteger.at [gesprochen: Prot-e-schee]
Tel: +43 660 / 415 6531
// Haus zu verkaufen: http://zmi.at/langegg/
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next prev parent reply other threads:[~2011-10-07 11:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-06 19:55 Premature "No Space left on device" on XFS Bernhard Schmidt
2011-10-07 0:22 ` Stan Hoeppner
2011-10-07 0:47 ` Bernhard Schmidt
2011-10-07 1:37 ` Dave Chinner
2011-10-07 8:40 ` Gim Leong Chin
2011-10-07 23:20 ` Dave Chinner
2011-10-07 11:40 ` Michael Monnerie [this message]
2011-10-07 23:17 ` Dave Chinner
2011-10-07 13:49 ` Bernhard Schmidt
2011-10-07 23:14 ` Dave Chinner
2011-10-08 12:29 ` Bernhard Schmidt
2011-10-08 13:18 ` Christoph Hellwig
2011-10-08 22:34 ` Dave Chinner
2011-10-09 14:46 ` Christoph Hellwig
2011-10-08 22:30 ` Dave Chinner
2011-10-07 13:58 ` Bryan J Smith
2011-10-07 23:31 ` Dave Chinner
2011-10-08 6:30 ` Bryan J Smith
2011-10-08 13:16 ` Christoph Hellwig
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