From: Dave Chinner <david@fromorbit.com>
To: "Łukasz Oleś" <lukasz.oles@open-e.com>
Cc: xfs@oss.sgi.com
Subject: Re: reserved blocks pool default size
Date: Mon, 30 Jan 2012 09:20:47 +1100 [thread overview]
Message-ID: <20120129222046.GG15102@dastard> (raw)
In-Reply-To: <4F22843E.4050804@open-e.com>
On Fri, Jan 27, 2012 at 12:02:22PM +0100, Łukasz Oleś wrote:
> Hi,
>
> I updated kernel from 2.6.27 to 2.6.35 and noticed that free size on
> my xfs volume changed. Before update there was 7MB free space, now
> there is none.
>
> After some investigation I found that default size for reserved
> block pool changed [1].
> On this volume I have one very big file which is exported as iSCSI
> disk via SCST and one small configuration file. The big file size
> will never change. Small file size can change only by some KB.
>
> With this assumptions, can I revert this change and set reserved
> blocks pool size to 1024 blocks?
xfs_io -c "resblks 1024" <mntpt/one-very-big-file>
after the filesystem is mounted will set the reserve block pool back
to the 1024 blocks you had before.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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prev parent reply other threads:[~2012-01-29 22:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-27 11:02 reserved blocks pool default size Łukasz Oleś
2012-01-27 11:40 ` Christoph Hellwig
2012-01-29 22:20 ` Dave Chinner [this message]
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