On 01/21/2010 04:13 PM, Ross Walker wrote: > On Jan 21, 2010, at 4:04 PM, Tom Georgoulias<tomg at mcclatchyinteractive.com > > wrote: > >> Ran into a confusing situation today. When I mount an xfs >> filesystem on >> a server running centos 5.4 x86_64 with kernel 2.6.18-164.9.1.el5, the >> barrier/nobarrier mount option as displayed in /proc/mounts is always >> set to "nobarrier" >> Can anyone else confirm this behavior? > > LVM doesn't support barriers. Good to know, looks like I'm getting the right info from /proc/mounts after all. Tom