Cannot run devicemapper commands.

Solution Verified - Updated -

Issue

  • Getting the below error while running commands.
# dmsetup ls
/dev/mapper/control: open failed: No such device
Failure to communicate with kernel device-mapper driver.
Check that device-mapper is available in the kernel.
Incompatible libdevmapper 1.02.135-RHEL7 (2016-11-16) and kernel driver (unknown version).

# lvscan
  /dev/mapper/control: open failed: No such device
  Failure to communicate with kernel device-mapper driver.
  Check that device-mapper is available in the kernel.
  Incompatible libdevmapper 1.02.135-RHEL7 (2016-11-16) and kernel driver (unknown version).
  inactive          '/dev/testvg/testlv' [100.00 GiB] inherit

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5

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