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

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In