Why mount failing with the error "mount: /dev/mapper/mpathx already mounted or /san/mount_point busy"?

Solution Verified - Updated -

Issue

  • Failing to mount with the error "mount: /dev/mapper/mpathx already mounted or /san/mount_point busy".

  • LVM is not used.

  • Following devices were used,

# dmsetup info -c

Name                Maj Min Stat Open Targ Event  UUID
mpathx              253   5 L--w    1    1      0 mpath-360060160e9c711009051c3a39a0eda11
mpathxp1            253  12 L--w    0    1      0 part1-mpath-360060160e9c711009051c3a39a0eda11

Environment

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

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