From: Dave Chinner <david@fromorbit.com>
To: ch huang <justlooks@gmail.com>
Cc: xfs@oss.sgi.com
Subject: Re: Why xfs can not mount use barrier option?
Date: Wed, 15 May 2013 17:33:04 +1000 [thread overview]
Message-ID: <20130515073304.GR29466@dastard> (raw)
In-Reply-To: <CACeqxwRdq-wuz9xpa9p=kQvYgjJQYRMP2JLsyv7SChqx8b-ujw@mail.gmail.com>
On Wed, May 15, 2013 at 03:08:56PM +0800, ch huang wrote:
> i use lvm on raid 1,/dev/CHVG01/conxfs is a logical volume,if i mount with
> barrier,the /proc/mounts still show nobarrier option ,why?
http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F
> # mount -t xfs -o barrier,attr2,noikeep,inode64 /dev/CHVG01/conxfs /opt/contest/
> # cat /proc/mounts
> /dev/CHVG01/conxfs /opt/contest xfs rw,attr2,nobarrier,inode64,noquota 0 0
Check dmesg - most likely something in your storage stack doesn't
support barriers so they got turned off....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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prev parent reply other threads:[~2013-05-15 7:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-15 7:08 Why xfs can not mount use barrier option? ch huang
2013-05-15 7:33 ` Dave Chinner [this message]
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