The dump command reports "bad UUID"

Solution Verified - Updated -

Issue

  • The dump command reports "bad UUID" for ext4 filesystems:
# dump -W
  DUMP: mount: bad UUID
  DUMP: mount: bad UUID
  DUMP: mount: bad UUID
  DUMP: mount: bad UUID
  DUMP: mount: bad UUID
Last dump(s) done (Dump '>' file systems):
  /dev/mapper/storagetest-test1 (/mnt/test1) Last dump: never
  /dev/mapper/storagetest-test2 (/mnt/test2) Last dump: never
  /dev/mapper/storagetest-test3 (/mnt/test3) Last dump: never
  /dev/mapper/storagetest-test4 (/mnt/test4) Last dump: never
  /dev/mapper/storagetest-test5 (/mnt/test5) Last dump: never

Environment

  • Red Hat Enterprise Linux 7
  • dump

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