Why am I unable to directly mount the underlying devices of a multipath device in Red Hat Enterprise Linux?

Solution Unverified - Updated -

Issue

  • If any underlying devices in a multipath device were directly referenced (for example in /etc/fstab) before the multipath device was created, these mounts will not work correctly after device-mapper-multipath is activated
  • Once a multipath mount point is created, the the drives used to create the multipath device should not be directly accessible

Environment

  • Red Hat Enterprise Linux 4 and 5
  • device-mapper-multipath

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