From: Andy Bennett <andyjpb@ashurst.eu.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: Disk spin down
Date: Sun, 12 Feb 2012 21:15:11 +0000 [thread overview]
Message-ID: <4F382BDF.3070901@ashurst.eu.org> (raw)
In-Reply-To: <20120212200647.GI12836@dastard>
Hi,
> Seems to me that something is still dirtying an inode regularly.
>
> Perhaps you need to look at the XFS and writeback event traces to
> find out what process is dirtying the inode. trace-cmd is your
> friend...
Something like this?
-----
echo 1 > /sys/kernel/debug/tracing/events/xfs/enable
echo 0 > /sys/kernel/debug/tracing/events/xfs/enable
more /sys/kernel/debug/tracing/trace
-----
I tried recreating the situation of the last 2 days (clean boot, stopped
services) and it's currently quiescing nicely. :-(
I'll keep an eye on it and try to catch it in the act but every time I
turn the tracing on the HDD light stays firmly off. :-(
Regards,
@ndy
--
andyjpb@ashurst.eu.org
http://www.ashurst.eu.org/
0x7EBA75FF
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next prev parent reply other threads:[~2012-02-12 21:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-12 18:23 Disk spin down Andy Bennett
2012-02-12 20:06 ` Dave Chinner
2012-02-12 21:15 ` Andy Bennett [this message]
2012-02-12 21:28 ` Andy Bennett
2012-02-12 22:35 ` Dave Chinner
2012-02-12 22:57 ` Andy Bennett
2012-02-13 8:36 ` Brian Candler
2012-02-13 23:41 ` Dave Chinner
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