Logical volume xen3-vg/vmXX-disk in use.

> lvremove -vf /dev/xen3-vg/deleteme

Logical volume xen3-vg/deleteme in use.

> lvdisplay

--- Logical volume ---
LV Path                /dev/xen3-vg/deleteme
LV Name                deleteme
VG Name                xen3-vg
LV UUID                iL2tB4-4tjc-0dlj-ibBX-nQup-oZsX-g81XXO
LV Write Access        read/write
LV Creation host, time xen3, 2017-01-04 07:16:26 +0100
LV Status              available
# open                 1
LV Size                4.00 MiB
Current LE             1
Segments               1
Allocation             inherit
Read ahead sectors     auto
- currently set to     256
Block device           254:7

> dmsetup info -c | grep deleteme

xen3--vg-deleteme   254   7 L--w    1    1      3 LVM-aAW4aSeLjqJPPWlF1s1WxAgzeXAjWmXiiL2tB44tjc0dljibBXnQupoZsXg81XXO

> lvchange -an -v /dev/xen3-vg/deleteme

Logical volume xen3-vg/deleteme in use.

> lvremove -vf /dev/xen3-vg/deleteme

Logical volume xen3-vg/deleteme in use.

> umount /dev/xen3-vg/deleteme

umount: /dev/xen3-vg/deleteme: not mounted

> lsof | grep "254,7"

[no output]

> lsof | grep deleteme

[no output]

> fuser /dev/xen3-vg/deleteme

[no output]