From: Stan Hoeppner <stan@hardwarefreak.com>
To: xfs@oss.sgi.com
Subject: Re: xfssyncd and disk spin down
Date: Thu, 23 Dec 2010 23:15:10 -0600 [thread overview]
Message-ID: <4D142C5E.2020004@hardwarefreak.com> (raw)
In-Reply-To: <4D13EF3B.2050401@hardwarefreak.com>
Stan Hoeppner put forth on 12/23/2010 6:54 PM:
> http://www.mjmwired.net/kernel/Documentation/filesystems/xfs.txt
>
> fs.xfs.xfssyncd_centisecs (Min: 100 Default: 3000 Max: 720000)
> The interval at which the xfssyncd thread flushes metadata
> out to disk. This thread will flush log activity out, and
> do some processing on unlinked inodes.
>
> Maybe related or also worth mentioning:
>
> fs.xfs.age_buffer_centisecs (Min: 100 Default: 1500 Max: 720000)
> The age at which xfsbufd flushes dirty metadata buffers to disk.
These can be found in /proc/sys/fs/xfs and you'd simply
~$ echo 720000 > /proc/sys/fs/xfs/xfssyncd_centisecs
to get the maximum 12 minute interval.
--
Stan
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next prev parent reply other threads:[~2010-12-24 5:13 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-23 16:55 xfssyncd and disk spin down Petre Rodan
2010-12-23 19:29 ` Stan Hoeppner
2010-12-23 21:16 ` Petre Rodan
2010-12-24 0:54 ` Stan Hoeppner
2010-12-24 5:15 ` Stan Hoeppner [this message]
2010-12-24 6:02 ` Petre Rodan
2010-12-24 23:00 ` Stan Hoeppner
2010-12-25 3:36 ` Eric Sandeen
2010-12-25 4:32 ` Stan Hoeppner
2010-12-24 18:17 ` Eric Sandeen
2010-12-25 12:09 ` Petre Rodan
2010-12-27 2:19 ` Dave Chinner
2010-12-27 6:16 ` Petre Rodan
2010-12-27 14:07 ` Dave Chinner
2010-12-27 17:19 ` Petre Rodan
2010-12-31 0:13 ` Dave Chinner
2011-01-20 10:01 ` Petre Rodan
2011-01-20 11:06 ` Dave Chinner
2011-01-20 12:07 ` Petre Rodan
2011-01-20 13:24 ` Christoph Hellwig
2011-01-20 23:43 ` Dave Chinner
2011-02-10 20:42 ` Petre Rodan
2011-02-10 22:18 ` Dave Chinner
2011-02-14 18:04 ` Brian Duncan
2011-05-31 14:40 ` Brian Duncan
2011-05-31 15:16 ` Michael Weissenbacher
2011-06-01 23:37 ` Dave Chinner
2011-07-11 4:02 ` Brian Duncan
2011-07-11 14:34 ` Michael Weissenbacher
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