Re: /proc/mounts always shows "nobarrier" option for xfs, even when mounted with "barrier"

[Tom Georgoulias <tomg@xxxxxxxxxxxxxxxxxxxxxxxx>]

On 01/21/2010 04:13 PM, Ross Walker wrote:
> On Jan 21, 2010, at 4:04 PM, Tom Georgoulias<tomg@xxxxxxxxxxxxxxxxxxxxxxxx
>   >  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
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