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[Pooja Ghumre <poojaghumre@xxxxxxxxx>]

Reopening this issue since we are able to consistently reproduce it with
Nova on Rocky and Cinder on Pike as well. Is there any potential fix in
os-brick that can help with this? In our case, this was seen with
PureStorage volume backend.

** Changed in: nova
       Status: Expired => Confirmed

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https://bugs.launchpad.net/bugs/1414527

Title:
  The multipath device descriptors remove failed when the volume has
  partition

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  
  tested environment:
  iscsi_use_multipath=True and iscsI volume backed is FUJITSU.
  An instance boots form a volume which has a image with partition.

  After terminating the instance，I found the multipath device "/dev/mapper/mpathq" deleted faild.  
  And the sd* devices have been deleted success.

  [root@opencos170 /(keystone_admin)]# multipath -l /dev/mapper/mpathq
  mpathq (3600000e00d280000002800e2000f0000) dm-2 
  size=201G features='0' hwhandler='0' wp=rw
  [root@opencos170 /(keystone_admin)]#
   
  Can't delete the multipath device to use command "multipath -f /dev/mapper/mpathq". 
  [root@opencos170 /(keystone_admin)]# multipath -f /dev/mapper/mpathq
  Jan 26 10:40:37 | mpathqp3: map in use
  Jan 26 10:40:37 | failed to remove multipath map /dev/mapper/mpathq
  [root@opencos170 /(keystone_admin)]#

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