RHEL server hangs at server boot with message: Timed out waiting for dev-mapper-VG\LV.device

Solution Unverified - Updated -

Issue

  • RHEL server boot sometime goes into maintenance mode with following error messages:
[*     ]A start job is running for dev-mapper-VG\LV.device...29s / 1min 30s)
[ TIME ] Timed out waiting for dev-mapper-VG\LV.device.
[DEPEND] Dependency failed for /data.
[DEPEND] Dependency failed for Local File Systems.
[DEPEND] Dependency failed for Relabel all filesystems, if necessary.
[DEPEND] Dependency failed for Mark the need to relabel after reboot.
Welcome to emergency mode!

Environment

  • Red Hat Enterprise Linux (RHEL) 7
  • Red Hat Enterprise Linux (RHEL) 6
  • HP 3PAR storage using HP provided multipath ALUA stanza
  • Multipathing enabled

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