Unable to activate volume group, getting error " device-mapper: reload ioctl on (253:7) failed: No such device or address".

Solution Unverified - Updated -

Issue

  • Unable to activate volume group, getting following errors.
$ vgchange -a y testvg
  device-mapper: reload ioctl on (253:7) failed: No such device or address
  0 logical volume(s) in volume group "testvg" now active
# lvchange -ay -v testvg/testlv
    Using logical volume(s) on command line.
    Activating logical volume "testlv".
    Creating testvg-testlv
    Loading testvg-testlv table (253:7)
  device-mapper: reload ioctl on (253:7) failed: No such device or address
    Removing testvg-testlv (253:7)

Environment

  • Red Hat Enterprise Linux 7
    • lvm2

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