| To: | ch huang <justlooks@xxxxxxxxx> |
|---|---|
| Subject: | Re: Why xfs can not mount use barrier option? |
| From: | Dave Chinner <david@xxxxxxxxxxxxx> |
| Date: | Wed, 15 May 2013 17:33:04 +1000 |
| Cc: | xfs@xxxxxxxxxxx |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <CACeqxwRdq-wuz9xpa9p=kQvYgjJQYRMP2JLsyv7SChqx8b-ujw@xxxxxxxxxxxxxx> |
| References: | <CACeqxwRdq-wuz9xpa9p=kQvYgjJQYRMP2JLsyv7SChqx8b-ujw@xxxxxxxxxxxxxx> |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
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@xxxxxxxxxxxxx |
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