How to remove the 'dm' device for a logical volume when actual LV is not present ?

Solution Verified - Updated -

Issue

  • Actual logical volume is not present in the system, still the corresponding dm device is seen present in the dmsetup info -c command.

Also dm device fails to get removed with the dmsetup remove command. lvremove too fails as actual LV is not present in the system. Corresponding VG as well as PV has also been removed.

$cat dmsetup_info |grep -i lv
Name                              Maj Min Stat Open Targ Event UUID                                                                
vg-lv                             253  19 L--w    0    1      0 LVM-11111111111

$lvs |grep lv

#dmsetup remove -f vg-lv
device-mapper: remove ioctl failed: Device or resource busy
Command failed

Environment

  • Red Hat Enterprise Linux 5
  • Device-Mapper
  • LVM

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