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 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
