Re: XFS File system in trouble

[Stefan Ring <stefanrin@xxxxxxxxx>]

On Tue, Jul 28, 2015 at 9:46 AM, Leslie Rhorer <lrhorer@xxxxxxxxxxxx> wrote:
>         The problem is this (from syslog):
> Jul 28 01:53:48 RAID-Server kernel: [431155.847523] loop: module loaded
> Jul 28 01:53:48 RAID-Server kernel: [431155.927238] XFS (loop0): Filesystem
> has duplicate UUID 228cfaa7-ae6b-44fc-b703-1c32385231c0 - can't mount
> Jul 28 01:55:51 RAID-Server kernel: [431278.916490] XFS (loop0): Filesystem
> has duplicate UUID 228cfaa7-ae6b-44fc-b703-1c32385231c0 - can't mount
>
>         Presumably it has the same UUID as the RAID array because it is
> expected to do so.  I can't mount it unless I umount the RAID array, but if
> I do that, I can't get to the file to mount the dump image, since it is on
> the array.

You can mount with -o nouuid, if are careful not to mount the same
physical storage twice.