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Date: Mon, 13 Feb 2012 08:36:51 +0000
From: Brian Candler <B.Candler@pobox.com>
Subject: Re: Disk spin down
Message-ID: <20120213083651.GA40007@nsrc.org>
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To: Andy Bennett <andyjpb@ashurst.eu.org>
Cc: xfs@oss.sgi.com

On Sun, Feb 12, 2012 at 06:23:45PM +0000, Andy Bennett wrote:
> Can someone help me work out where writes are coming from on my system?

Is the filesystem in question mounted with 'relatime' or 'noatime'?
Otherwise, merely reading a file will cause its inode to be dirtied.

(However in modern kernels, 'relatime' might be the default, I'm not sure)

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