Unable to mount LVM snapshot of an XFS file-system

Solution Verified - Updated -

Issue

  • Unable to mount LVM snapshot of a XFS file-system
# mount /dev/xfs_snap/snap snap
mount: wrong fs type, bad option, bad superblock on /dev/xfs_snap/snap,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so
  • Logs show errors similar to the following
May 11 14:30:50 dhcp52-219 kernel: Filesystem dm-3: Disabling barriers, trial barrier write failed
May 11 14:30:50 dhcp52-219 kernel: XFS: Filesystem dm-3 has duplicate UUID - can't mount

Environment

  • Red Hat Enterprise Linux
  • XFS file-system
  • LVM snapshot

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