ERROR: ddf1: wrong # of devices in RAID set "ddf1_Main" [1/2] on /dev/sdX

Solution Unverified - Updated -

Issue

  • ERROR: ddf1: wrong # of devices in RAID set "ddf1_Main" [1/2] on /dev/sdX
  • fsck fails with the following error
    fsck.ext3: Device or resource busy while trying to open /dev/sdX#
Filesystem mounted or opened exclusively by another program?
                                                            [FAILED]
  • Able to login to maintence mode but cannot fsck or mount the partition

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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