@Gustavo,
I can't reproduce your problem, this patch works well for me. I did two
experiments.
One experiment is WITHOUT multipath-tools patch [1] + WITHOUT this os-
brick patch, the test result can refer the link [2], we can see that
multipath device can be deleted by 'multipath -r'.
Mar 22 10:33:52 juju-zhhuabj-machine-9 nova-compute[22305]: 2017-03-22
10:33:52.233 22305 WARNING os_brick.initiator.linuxscsi
[req-0536068d-110c-43a4-82e4-941cdb715042 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] Couldn't find multipath device
/dev/mapper/360000000000000000e00000000010001
Another experiment is WITHOUT multipath-tools patch [2] + WITH this os-brick
patch, the test result can refer the link [3], we can see that multipath device
doesn't be delete because this os-brick patch has removed 'multipath -r'.
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.520 17329 DEBUG oslo_concurrency.lockutils
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] Lock "connect_volume" acquired by
"os_brick.initiator.connector.disconnect_volume" :: waited 0.001s inner
/usr/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:273
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.523 17329 DEBUG oslo_concurrency.processutils
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] Running cmd (subprocess): sudo
nova-rootwrap /etc/nova/rootwrap.conf multipath -ll /dev/sda execute
/usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:344
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.705 17329 DEBUG oslo_concurrency.processutils
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] CMD "sudo nova-rootwrap
/etc/nova/rootwrap.conf multipath -ll /dev/sda" returned: 0 in 0.183s execute
/usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:374
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.707 17329 DEBUG os_brick.initiator.connector
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] multipath ['-ll', u'/dev/sda']:
stdout=360000000000000000e00000000010001 dm-0 IET,VIRTUAL-DISK
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: size=1.0G
features='0' hwhandler='0' wp=rw
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: |-+-
policy='round-robin 0' prio=1 status=active
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: | `- 4:0:0:1 sda
8:0 active ready running
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: `-+-
policy='round-robin 0' prio=1 status=enabled
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: `- 5:0:0:1 sdb
8:16 active ready running
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: stderr=
_run_multipath
/usr/lib/python2.7/dist-packages/os_brick/initiator/connector.py:1286
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.709 17329 DEBUG os_brick.initiator.linuxscsi
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] remove multipath device /dev/sda
remove_multipath_device
/usr/lib/python2.7/dist-packages/os_brick/initiator/linuxscsi.py:123
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.710 17329 DEBUG oslo_concurrency.processutils
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] Running cmd (subprocess): sudo
nova-rootwrap /etc/nova/rootwrap.conf multipath -l /dev/sda execute
/usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:344
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.826 17329 DEBUG oslo_concurrency.processutils
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] CMD "sudo nova-rootwrap
/etc/nova/rootwrap.conf multipath -l /dev/sda" returned: 0 in 0.116s execute
/usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:374
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.829 17329 DEBUG os_brick.initiator.linuxscsi
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] Found multipath device =
/dev/mapper/360000000000000000e00000000010001 find_multipath_device
/usr/lib/python2.7/dist-packages/os_brick/initiator/linuxscsi.py:301
Mar 22 11:06:20 juju-zhhuabj-machine-9 nova-compute[17329]: 2017-03-22
11:06:20.829 17329 DEBUG os_brick.initiator.linuxscsi
[req-bbcf6687-4e5d-4748-9887-726ff8489008 3f685b7c349c4734afc1a9a87968aca5
52bc463e2bbd46c792ca0d17effd2a86 - - -] multipath LUNs to remove [{'device':
'/dev/sda', 'host': '4', 'id': '0', 'channel': '0', 'lun': '1'}, {'device':
'/dev/sdb', 'host': '5', 'id': '0', 'channel': '0', 'lun': '1'}]
remove_multipath_device
/usr/lib/python2.7/dist-packages/os_brick/initiator/linuxscsi.py:127
[1] https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1621340
[2] http://paste.ubuntu.com/24227639/
[3] http://paste.ubuntu.com/24227824/
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https://bugs.launchpad.net/bugs/1623700
Title:
[SRU] multipath iscsi does not logout of sessions on xenial
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