From: Martin Steigerwald <Martin@lichtvoll.de>
To: xfs@oss.sgi.com
Cc: Stefan Priebe <s.priebe@profihost.ag>
Subject: Re: suddenly slow writes on XFS Filesystem
Date: Sun, 6 May 2012 12:31:50 +0200 [thread overview]
Message-ID: <201205061231.50526.Martin@lichtvoll.de> (raw)
In-Reply-To: <4FA63DDA.9070707@profihost.ag>
Am Sonntag, 6. Mai 2012 schrieb Stefan Priebe:
> Hi,
Hi Stefan,
> since a few days i've experienced a really slow fs on one of our
> backup systems.
>
> I'm not sure whether this is XFS related or related to the Controller
> / Disks.
>
> It is a raid 10 of 20 SATA Disks and i can only write to them with
> about 700kb/s while doing random i/o. I tried vanilla Kernel 3.0.30
> and 3.3.4 - no difference. Writing to another partition on another xfs
> array works fine.
How do you measure the 700 KB/s?
Anything in dmesg?
I and likely others here would be interested in vmstat and iostat outputs
during slowness.
See:
http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F
Ciao,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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next prev parent reply other threads:[~2012-05-06 10:31 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-06 9:01 suddenly slow writes on XFS Filesystem Stefan Priebe
2012-05-06 10:31 ` Martin Steigerwald [this message]
2012-05-06 10:33 ` Martin Steigerwald
2012-05-06 15:45 ` Stan Hoeppner
2012-05-06 19:25 ` Stefan Priebe
2012-05-07 1:39 ` Dave Chinner
2012-05-06 21:43 ` Martin Steigerwald
2012-05-07 6:40 ` Stefan Priebe - Profihost AG
2012-05-07 1:34 ` Dave Chinner
2012-05-07 6:39 ` Stefan Priebe - Profihost AG
2012-05-07 7:17 ` Dave Chinner
2012-05-07 7:22 ` Stefan Priebe - Profihost AG
2012-05-07 16:36 ` Stan Hoeppner
2012-05-07 19:08 ` Martin Steigerwald
2012-05-07 20:05 ` Stefan Priebe
2012-05-09 6:57 ` Stan Hoeppner
2012-05-09 7:04 ` Dave Chinner
2012-05-09 7:36 ` Stefan Priebe - Profihost AG
2012-05-09 7:49 ` Stan Hoeppner
2013-02-15 15:06 ` 32bit apps and inode64 Stefan Priebe - Profihost AG
2013-02-15 21:46 ` Ben Myers
2013-02-16 10:24 ` Stefan Priebe - Profihost AG
2013-02-17 21:33 ` Dave Chinner
2013-02-18 8:12 ` Stefan Priebe - Profihost AG
2013-02-18 22:06 ` Dave Chinner
2013-02-17 8:13 ` Jeff Liu
2013-02-19 19:11 ` Ben Myers
2012-05-07 23:42 ` suddenly slow writes on XFS Filesystem Dave Chinner
2012-05-07 8:21 ` Martin Steigerwald
2012-05-07 16:44 ` Stan Hoeppner
2012-05-07 8:31 ` Martin Steigerwald
2012-05-07 13:57 ` Stefan Priebe - Profihost AG
2012-05-07 14:32 ` Martin Steigerwald
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