"dmsetup info" command shows the information of the deleted partition

Issue

• As shown below, the "dmsetup info" command outputs a partition created by the parted command onto a multipath device .

  # parted /dev/mapper/mpathb
    <snip>
  (parted) mkpart
   <snip>
  (parted) p
  Number  Start   End     Size    Type     File system  Flags
   1      ......  ....... .....   .....
  (parted) q

  # dmsetup info -c
  Name             Maj Min Stat Open Targ Event  UUID
  mpathb           253   2 L--w    1    1      0 mpath-1IET   010001
  mpathbp1         253   4 L--w    0    1      0 

• Then, deleting the partition by the parted command as follows.

  # parted /dev/mapper/mpathb
    <snip>
  (parted) p
  Number  Start   End     Size    Type     File system  Flags
   1      ......  ....... .....   .....
   <snip>
  (parted) rm 1
  (parted) p
  Number  Start   End     Size    Type     File system  Flags

  (parted) q

• "dmsetup info" command shows the partition info which was deleted.

  # dmsetup info -c
  Name             Maj Min Stat Open Targ Event  UUID
  mpathb           253   2 L--w    1    1      0 mpath-1IET   010001
  mpathbp1         253   4 L--w    0    1      0