[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Matthew Ernst]

** Changed in: cloud-archive/icehouse
   Status: Fix Committed => Fix Released

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Louis Bouchard]

** Tags removed: sts-sru

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[James Page]

** Changed in: cloud-archive
   Status: Confirmed => Fix Released

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

This bug was fixed in the package nova - 1:2014.1.5-0ubuntu1.5

---
nova (1:2014.1.5-0ubuntu1.5) trusty; urgency=medium

  * Fix live migration usage of the wrong connector (LP: #1475411)
- d/p/Fix-live-migrations-usage-of-the-wrong-connector-inf.patch
  * Fix wrong used ProcessExecutionError exception (LP: #1308839)
- d/p/Fix-wrong-used-ProcessExecutionError-exception.patch
  * Clean up iSCSI multipath devices in Post Live Migration (LP: #1357368)
- d/p/Clean-up-iSCSI-multipath-devices-in-Post-Live-Migrat.patch
  * Detach iSCSI latest path for latest disk (LP: #1374999)
- d/p/Detach-iSCSI-latest-path-for-latest-disk.patch

 -- Billy Olsen   Fri, 29 Apr 2016 15:35:01
-0700

** Changed in: nova (Ubuntu Trusty)
   Status: Fix Committed => Fix Released

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

Sorry for the delay, but I finally finished the trusty-proposed SRU
verification this evening (Yay).

** Tags removed: verification-icehouse-needed verification-kilo-needed 
verification-needed
** Tags added: verification-done

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Edward Hope-Morley]

** Tags removed: cts
** Tags added: sts-sru

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[SamP]

Hello Martin,

 Thank you for the fix.
 I am really sorry to inform that I am not able to test this patch in my 
current environment, since it does not have iscsi backend for cinder.

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Martin Pitt]

Hello SamP, or anyone else affected,

Accepted nova into trusty-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/nova/1:2014.1.5-0ubuntu1.5 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: nova (Ubuntu)
   Status: Triaged => Fix Released

** Changed in: nova (Ubuntu Trusty)
   Status: In Progress => Fix Committed

** Tags added: verification-needed

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

@pitti - this bug does not apply to openstack releases >= Liberty due to
upstream code changes. The only Ubuntu release this applies to that is
not EOL is Trusty. The fix is applicable to the following:

- Trusty
- UCA precise-icehouse
- UCA trusty-juno (now EOL, so excluded)
- UCA trusty-kilo

Hope this clarifies!

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Ryan Beisner]

This bug was fixed in the package nova - 1:2015.1.4-0ubuntu2
---

 nova (1:2015.1.4-0ubuntu2) trusty-kilo; urgency=medium
 .
   * d/p/fix-iscsi-detach.patch (LP: #1374999)
 - Clear latest path for last remaining iscsi disk to ensure
   disk is properly removed.
 .
 nova (1:2015.1.4-0ubuntu1) trusty-kilo; urgency=medium
 .
   * New upstream stable release (LP: #1580334).
   * d/p/skip-proxy-test.patch: Skip test_ssl_server and test_two_servers as
 they are hitting ProxyError during package builds.
 .
 nova (1:2015.1.3-0ubuntu1) trusty-kilo; urgency=medium
 .
   * New upstream stable release (LP: #1559215).
 .
 nova (1:2015.1.2-0ubuntu2) vivid; urgency=medium
 .
   * d/control: Bump oslo.concurrency to >= 1.8.2 (LP: #1518016).
 .
 nova (1:2015.1.2-0ubuntu1) vivid; urgency=medium
 .
   * Resynchronize with stable/kilo (68e9359) (LP: #1506058):
 - [68e9359] Fix quota update in init_instance on nova-compute restart
 - [d864603] Raise InstanceNotFound when save FK constraint fails
 - [db45b1e] Give instance default hostname if hostname is empty
 - [61f119e] Relax restrictions on server name
 - [2e731eb] Remove unnecessary 'context' param from quotas reserve method
 call
 - [5579928] Updated from global requirements
 - [08d1153] Don't expect meta attributes in object_compat that aren't in 
the
 db obj
 - [5c6f01f] VMware: pass network info to config drive.
 - [17b5052] Allow to use autodetection of volume device path
 - [5642b17] Delete orphaned instance files from compute nodes
 - [8110cdc] Updated from global requirements
 - [1f5b385] Hyper-V: Fixes serial port issue on Windows Threshold
 - [24251df] Handle FC LUN IDs greater 255 correctly on s390x architectures
 - [dcde7e7] Update obj_reset_changes signatures to match
 - [e16fcfa] Unshelving volume backed instance fails
 - [8fccffd] Make pagination tolerate a deleted marker
 - [587092c] Fix live-migrations usage of the wrong connector information
 - [8794b93] Don't check flavor disk size when booting from volume
 - [c1ad497] Updated from global requirements
 - [0b37312] Hyper-V: Removes old instance dirs after live migration
 - [2d571b1] Hyper-V: Fixes live migration configdrive copy operation
 - [07506f5] Hyper-V: Fix SMBFS volume attach race condition
 - [60356bf] Hyper-V: Fix missing WMI namespace issue on Windows 2008 R2
 - [83fb8cc] Hyper-V: Fix virtual hard disk detach
 - [6c857c2] Updated from global requirements
 - [0313351] Compute: replace incorrect instance object with dict
 - [9724d50] Don't pass the service catalog when making glance requests
 - [b5020a0] libvirt: Kill rsync/scp processes before deleting instance
 - [3f337f8] Support host type specific block volume attachment
 - [cb2a8fb] Fix serializer supported version reporting in object_backport
 - [701c889] Execute _poll_shelved_instances only if shelved_offload_time is
 > 0
 - [eb3b1c8] Fix rebuild of an instance with a volume attached
 - [e459add] Handle unexpected clear events call
 - [8280575] Support ssh-keygen of OpenSSH 6.8
 - [9a51140] Kilo-Removing extension "OS-EXT-VIF-NET" from v2.1 ext list
 - [b3f7b77] Fix wrong check when use image in local
 - [b13726b] Fix race between resource audit and cpu pinning
* debian/patches/not-check-disk-size.patch: Dropped no longer needed.
 .
 nova (1:2015.1.1-0ubuntu2) vivid; urgency=medium
 .
   [ Corey Bryant ]
   * d/rules: Prevent dh_python2 from guessing dependencies.
 .
   [ Liang Chen ]
   * d/p/not-check-disk-size.patch: Fix booting from volume error
 when flavor disk too small (LP: #1457517)
 .
 nova (1:2015.1.1-0ubuntu1) vivid; urgency=medium
 .
   * Resynchronize with stable/kilo (d8a470d) (LP: #1481008):
 - [e6e39e1] Remove incorrect Instance 1.18 relationship for PciDevice 1.2
 - [a55ea8c] Fix the incorrect PciDeviceList version number
 - [e56aed8] Add support for forcing migrate_flavor_data
 - [ccd002b] Fix migrate_flavor_data string substitution
 - [124b501] Allow libvirt cleanup completion when serial ports already 
released
 - [4908d46] Fixed incorrect dhcp_server value during nova-network creation
 - [0cf44ff] Fixed nova-network dhcp-hostsfile update during live-migration
 - [dc6af6b] libvirt: handle code=38 + sigkill (ebusy) in destroy()
 - [6e22a8b] hypervisor support matrix: add kvm on system z in kilo release
 - [e013ebf] Fix max_number for migrate_flavor data
 - [2b5fe5d] Reduce window for allocate_fixed_ip / release_fixed_ip race in 
nova-net
 - [cd6353a] Mark ironic credential config as secret
 - [48a6217] Ensure to store context in thread local after spawn/spawn_n
 - [fc7f1ab] Store context in local store after spawn_n
 - [199f0ab] Fixes TypeError when libvirt version is 
BAD_LIBVIRT_CPU_POLICY_VERSIONS
 - [1f4088d] Add 'docker' to the 

[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Martin Pitt]

There is an SRU waiting in the trusty-proposed queue for this. Please
clarify in which  Ubuntu release(s) this is already fixed, or upload the
fix to yakkety, so that the trusty SRU can proceed.

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Corey Bryant]

Juno is EOL so we're going to stop working on that.

** Changed in: cloud-archive/juno
   Status: Confirmed => Won't Fix

** Changed in: cloud-archive/icehouse
   Status: Confirmed => In Progress

** Changed in: nova (Ubuntu Trusty)
   Status: Triaged => In Progress

** Changed in: cloud-archive/icehouse
 Assignee: (unassigned) => Billy Olsen (billy-olsen)

** Changed in: nova (Ubuntu Trusty)
 Assignee: (unassigned) => Billy Olsen (billy-olsen)

** Changed in: cloud-archive/kilo
 Assignee: (unassigned) => Billy Olsen (billy-olsen)

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Corey Bryant]

Thanks for the patches Billy.  I've uploaded to kilo-staging and juno-
staging and they'll be working their way to *-proposed for testing.

Just a few comments on the icehouse patch. The other bugs that are fixed
in the icehouse patch will need to be updated with SRU information
(Impact, Test Case, Regression Potential).

Also I moved the drop of 'return' in the 'not in_use path' from d/p/Fix-
wrong-used-ProcessExecutionError-exception.patch to d/p/Detach-iSCSI-
latest-path-for-latest-disk.patch.

And I added the following to the juno and icehouse detach iscsi patch headers:
Forwarded: https://review.openstack.org/#/c/135382/
Bug: https://bugs.launchpad.net/nova/+bug/1374999

Thanks,
Corey

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

** Branch linked: lp:~ubuntu-server-dev/nova/icehouse

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

** Branch linked: lp:~ubuntu-server-dev/nova/juno

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

** Branch linked: lp:~ubuntu-server-dev/nova/kilo

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

** Patch added: "patch for trusty/icehouse"
   
https://bugs.launchpad.net/nova/+bug/1374999/+attachment/4653929/+files/trusty_icehouse_lp1374999.debdiff

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

** Patch added: "patch for trusty-juno uca"
   
https://bugs.launchpad.net/nova/+bug/1374999/+attachment/4653928/+files/trusty_juno_lp1374999.debdiff

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Lee Yarwood]

Moving to invalid as this should no longer reproduce against Liberty or
Mitaka after the move os-brick. Please reopen and reassign to os-brick
if this issue persists.

** Changed in: nova
   Status: Incomplete => Invalid

** Changed in: nova
 Assignee: Jorge Niedbalski (niedbalski) => (unassigned)

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Tobias Urdin]

Could you post your multipath.conf configuration? We had the same issue
with multipath devices being stuck/not removed which also blocked our
ability to do live migrations. See
https://bugs.launchpad.net/nova/+bug/1525802

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

** Description changed:

+ [Impact]
+ 
  iSCSI volume detach does not correctly remove the multipath device
- descriptors
+ descriptors.
+ 
+ The multipath devices are left on the compute node and multipath tools
+ will occaisionally send IOs to known multipath devices.
+ 
+ [Test Case]
  
  tested environment:
  nova-compute on Ubuntu 14.04.1, iscsi_use_multipath=True and iSCSI volume 
backend is EMC VNX 5300.
  
-  I created 3 cinder volumes and attached them to a nova instance. Then I 
detach them one by one. First 2 volumes volumes detached successfully.  3rd 
volume also successfully detached but ended up with  failed multipaths. 
+  I created 3 cinder volumes and attached them to a nova instance. Then I 
detach them one by one. First 2 volumes volumes detached successfully.  3rd 
volume also successfully detached but ended up with  failed multipaths.
  Here is the terminal log for last volume detach.
  
  openstack@W1DEV103:~/devstack$ cinder list
  
+--++--+--+-+--+--+
  |
-  ID
-  | Status | Name | Size | Volume Type | Bootable |
-  Attached to
-  |
+  ID
+  | Status | Name | Size | Volume Type | Bootable |
+  Attached to
+  |
  
+--++--+--+-+--+--+
  | 56a63288-5cc0-4f5c-9197-cde731172dd8 | in-use | None | 1 |
-  None
-  | false | 5bd68785-4acf-43ab-ae13-11b1edc3a62e |
+  None
+  | false | 5bd68785-4acf-43ab-ae13-11b1edc3a62e |
  
+--++--+--+-+--+--+
  openstack@W1CN103:/etc/iscsi$ date;sudo multipath -l
  Fri Sep 19 21:38:13 JST 2014
  360060160cf0036002d1475f6e73fe411 dm-2 DGC,VRAID
  size=1.0G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
  |-+- policy='round-robin 0' prio=-1 status=active
  | |- 4:0:0:42 sdb 8:16 active undef running
  | |- 5:0:0:42 sdd 8:48 active undef running
  | |- 6:0:0:42 sdf 8:80 active undef running
  | `- 7:0:0:42 sdh 8:112 active undef running
  `-+- policy='round-robin 0' prio=-1 status=enabled
  |- 11:0:0:42 sdp 8:240 active undef running
  |- 8:0:0:42 sdj 8:144 active undef running
  |- 9:0:0:42 sdl 8:176 active undef running
  `- 10:0:0:42 sdn 8:208 active undef running
  openstack@W1CN103:/etc/iscsi$ date;sudo iscsiadm -m session
  Fri Sep 19 21:38:19 JST 2014
  tcp: [10] 172.23.58.228:3260,4 iqn.1992-04.com.emc:cx.fcn00133400150.a7
  tcp: [3] 172.23.58.238:3260,8 iqn.1992-04.com.emc:cx.fcn00133400150.b7
  tcp: [4] 172.23.58.235:3260,20 iqn.1992-04.com.emc:cx.fcn00133400150.b4
  tcp: [5] 172.23.58.236:3260,6 iqn.1992-04.com.emc:cx.fcn00133400150.b5
  tcp: [6] 172.23.58.237:3260,19 iqn.1992-04.com.emc:cx.fcn00133400150.b6
  tcp: [7] 172.23.58.225:3260,16 iqn.1992-04.com.emc:cx.fcn00133400150.a4
  tcp: [8] 172.23.58.226:3260,2 iqn.1992-04.com.emc:cx.fcn00133400150.a5
  tcp: [9] 172.23.58.227:3260,17 iqn.1992-04.com.emc:cx.fcn00133400150.a6
  
  openstack@W1DEV103:~/devstack$ nova volume-detach 
5bd68785-4acf-43ab-ae13-11b1edc3a62e
  56a63288-5cc0-4f5c-9197-cde731172dd8
  openstack@W1DEV103:~/devstack$
  openstack@W1DEV103:~/devstack$ cinder list
  
+--+---+--+--+-+--+--+
  |
-  ID
-  | Status | Name | Size | Volume Type | Bootable |
-  Attached to
-  |
+  ID
+  | Status | Name | Size | Volume Type | Bootable |
+  Attached to
+  |
  
+--+---+--+--+-+--+--+
  | 56a63288-5cc0-4f5c-9197-cde731172dd8 | detaching | None | 1 |
-  None
-  | false | 5bd68785-4acf-43ab-ae13-11b1edc3a62e|
+  None
+  | false | 5bd68785-4acf-43ab-ae13-11b1edc3a62e|
  
  
+--+---+--+--+-+--+--+
  openstack@W1DEV103:~/devstack$
  openstack@W1DEV103:~/devstack$ cinder list
  
+--+---+--+--+-+--+-+
  |
-  ID
-  | Status | Name | Size | Volume Type | Bootable | Attached to |
+  ID
+  | Status | Name | Size | Volume Type | Bootable | Attached to |
  
+--+---+--+--+-+--+-+
  | 56a63288-5cc0-4f5c-9197-cde731172dd8 | available | None | 1 |
-  None
-  | false |
+  None
+  | false |
  
+--+---+--+--+-+--+-+
  |
  openstack@W1CN103:/etc/iscsi$ date;sudo multipath -l
  Fri Sep 19 21:39:23 JST 2014
  360060160cf0036002d1475f6e73fe411 dm-2 ,
  size=1.0G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
  |-+- policy='round-robin 0' prio=-1 status=active
  | |- #:#:#:# - #:# active undef running
  | |- #:#:#:# - 

[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

** Branch linked: lp:~billy-olsen/nova/kilo+lp1374999

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Title:
  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Matt Riedemann]

Can this be tried against liberty or mitaka nova when we're using the
os-brick library which had other fixes for multipath issues than did
nova?

** Changed in: cloud-archive/icehouse
   Status: New => Invalid

** Changed in: cloud-archive/juno
   Status: New => Invalid

** Changed in: nova
   Status: In Progress => Incomplete

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Matt Riedemann]

Can this be tried against liberty or mitaka nova when we're using the
os-brick library which had other fixes for multipath issues than did
nova?

** Changed in: cloud-archive/icehouse
   Status: New => Invalid

** Changed in: cloud-archive/juno
   Status: New => Invalid

** Changed in: nova
   Status: In Progress => Incomplete

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

Marking this is confirmed against the Ubuntu Cloud Archive for Kilo,
Juno, and Trusty which are still supported from the Ubuntu perspective
and is known not to include the os-brick library dependencies.
Certainly, the testing for the change to os-brick needs to be verified
that the problem is fixed there, so leaving that as incomplete.

** Changed in: cloud-archive/icehouse
   Status: Invalid => Confirmed

** Changed in: cloud-archive/juno
   Status: Invalid => Confirmed

** Changed in: cloud-archive/kilo
   Status: New => Confirmed

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

Marking this is confirmed against the Ubuntu Cloud Archive for Kilo,
Juno, and Trusty which are still supported from the Ubuntu perspective
and is known not to include the os-brick library dependencies.
Certainly, the testing for the change to os-brick needs to be verified
that the problem is fixed there, so leaving that as incomplete.

** Changed in: cloud-archive/icehouse
   Status: Invalid => Confirmed

** Changed in: cloud-archive/juno
   Status: Invalid => Confirmed

** Changed in: cloud-archive/kilo
   Status: New => Confirmed

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

** Also affects: cloud-archive
   Importance: Undecided
   Status: New

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Billy Olsen]

** Also affects: cloud-archive
   Importance: Undecided
   Status: New

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Corey Bryant]

** Also affects: cloud-archive/juno
   Importance: Undecided
   Status: New

** Also affects: cloud-archive/icehouse
   Importance: Undecided
   Status: New

** Also affects: cloud-archive/kilo
   Importance: Undecided
   Status: New

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Corey Bryant]

** Also affects: cloud-archive/juno
   Importance: Undecided
   Status: New

** Also affects: cloud-archive/icehouse
   Importance: Undecided
   Status: New

** Also affects: cloud-archive/kilo
   Importance: Undecided
   Status: New

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Alan Pevec]

** Tags removed: juno-backport-potential

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Alan Pevec]

** Tags removed: juno-backport-potential

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Jorge Niedbalski]

** Tags added: sts

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Jorge Niedbalski]

** Tags added: sts

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Jorge Niedbalski]

** Changed in: nova
 Assignee: Felipe Reyes (freyes) = Jorge Niedbalski (niedbalski)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Jorge Niedbalski]

** Changed in: nova
 Assignee: Felipe Reyes (freyes) = Jorge Niedbalski (niedbalski)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[OpenStack Infra]

** Changed in: nova
 Assignee: Jorge Niedbalski (niedbalski) = Felipe Reyes (freyes)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[OpenStack Infra]

** Changed in: nova
 Assignee: Jorge Niedbalski (niedbalski) = Felipe Reyes (freyes)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[OpenStack Infra]

** Changed in: nova
 Assignee: Felipe Reyes (freyes) = Jorge Niedbalski (niedbalski)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[OpenStack Infra]

** Changed in: nova
 Assignee: Felipe Reyes (freyes) = Jorge Niedbalski (niedbalski)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[James Page]

** Changed in: nova (Ubuntu)
   Importance: Undecided = Medium

** Changed in: nova (Ubuntu)
   Importance: Medium = Low

** Changed in: nova (Ubuntu Trusty)
   Importance: Undecided = Low

** Changed in: nova (Ubuntu)
   Status: Confirmed = Triaged

** Changed in: nova (Ubuntu Trusty)
   Status: Confirmed = Triaged

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[James Page]

** Changed in: nova (Ubuntu)
   Importance: Undecided = Medium

** Changed in: nova (Ubuntu)
   Importance: Medium = Low

** Changed in: nova (Ubuntu Trusty)
   Importance: Undecided = Low

** Changed in: nova (Ubuntu)
   Status: Confirmed = Triaged

** Changed in: nova (Ubuntu Trusty)
   Status: Confirmed = Triaged

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Brian Murray]

Has this been fixed upstream yet?

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Brian Murray]

Has this been fixed upstream yet?

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Davanum Srinivas (DIMS)]

** Changed in: nova
   Importance: Undecided = Low

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Davanum Srinivas (DIMS)]

** Changed in: nova
   Importance: Undecided = Low

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[OpenStack Infra]

Fix proposed to branch: master
Review: https://review.openstack.org/135382

** Changed in: nova
   Status: Confirmed = In Progress

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[OpenStack Infra]

Fix proposed to branch: master
Review: https://review.openstack.org/135382

** Changed in: nova
   Status: Confirmed = In Progress

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Rafael David Tinoco]

** Patch removed: trusty_nova_2014.1.3-0ubuntu2.debdiff
   
https://bugs.launchpad.net/nova/+bug/1374999/+attachment/4246669/+files/trusty_nova_2014.1.3-0ubuntu2.debdiff

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Felipe Reyes]

** Changed in: nova
 Assignee: (unassigned) = Felipe Reyes (freyes)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Rafael David Tinoco]

I have created the following PPA:

https://launchpad.net/~inaddy/+archive/ubuntu/lp1374999

containing a hotfixed version of nova for Trusty.

I'll keep this PPA available, updating when needed, until we get
upstream fix accepted and backported. As soon as the fix is backported
we can ask for a SRU for Trusty's nova version.

I'm assigning this case temporary to Felipe (responsible to propose the
fix upstream) while I'm on vacation.

Let me know if there any issues.

Thank you.

** Changed in: nova
 Assignee: Rafael David Tinoco (inaddy) = (unassigned)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Rafael David Tinoco]

** Patch removed: trusty_nova_2014.1.3-0ubuntu2.debdiff
   
https://bugs.launchpad.net/nova/+bug/1374999/+attachment/4246669/+files/trusty_nova_2014.1.3-0ubuntu2.debdiff

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Felipe Reyes]

** Changed in: nova
 Assignee: (unassigned) = Felipe Reyes (freyes)

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  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Rafael David Tinoco]

I have created the following PPA:

https://launchpad.net/~inaddy/+archive/ubuntu/lp1374999

containing a hotfixed version of nova for Trusty.

I'll keep this PPA available, updating when needed, until we get
upstream fix accepted and backported. As soon as the fix is backported
we can ask for a SRU for Trusty's nova version.

I'm assigning this case temporary to Felipe (responsible to propose the
fix upstream) while I'm on vacation.

Let me know if there any issues.

Thank you.

** Changed in: nova
 Assignee: Rafael David Tinoco (inaddy) = (unassigned)

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Nobuyoshi NIHONGI]

** Tags added: juno-backport-potential

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Nobuyoshi NIHONGI]

** Tags added: juno-backport-potential

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: nova (Ubuntu)
   Status: New = Confirmed

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: nova (Ubuntu Trusty)
   Status: New = Confirmed

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Sampath Priyankara]

Hi Tinoco,
I tested this patch with EMC VNX 5300 as iSCSI cinder backend.
Confirmed that this patch solve the issue.

Here is the console log verification of 
before apply the patch.
http://paste.openstack.org/show/132629/

And after apply the patch,
http://paste.openstack.org/show/132630/

The issue is no longer exist.

i really appreciate it if you could back port this to stable/juno

Thank you.

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: nova (Ubuntu Trusty)
   Status: New = Confirmed

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: nova (Ubuntu)
   Status: New = Confirmed

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Sampath Priyankara]

Hi Tinoco,
I tested this patch with EMC VNX 5300 as iSCSI cinder backend.
Confirmed that this patch solve the issue.

Here is the console log verification of 
before apply the patch.
http://paste.openstack.org/show/132629/

And after apply the patch,
http://paste.openstack.org/show/132630/

The issue is no longer exist.

i really appreciate it if you could back port this to stable/juno

Thank you.

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https://bugs.launchpad.net/bugs/1374999

Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Chuck Short]

** Also affects: nova (Ubuntu)
   Importance: Undecided
   Status: New

** Also affects: nova (Ubuntu Trusty)
   Importance: Undecided
   Status: New

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Title:
  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Ubuntu Foundations Team Bug Bot]

The attachment trusty_nova_2014.1.3-0ubuntu2.debdiff seems to be a
debdiff.  The ubuntu-sponsors team has been subscribed to the bug report
so that they can review and hopefully sponsor the debdiff.  If the
attachment isn't a patch, please remove the patch flag from the
attachment, remove the patch tag, and if you are member of the
~ubuntu-sponsors, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issue please contact him.]

** Tags added: patch

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Chuck Short]

** Also affects: nova (Ubuntu)
   Importance: Undecided
   Status: New

** Also affects: nova (Ubuntu Trusty)
   Importance: Undecided
   Status: New

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Title:
  iSCSI volume detach does not correctly remove the multipath device
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[Bug 1374999] Re: iSCSI volume detach does not correctly remove the multipath device descriptors

[Ubuntu Foundations Team Bug Bot]

The attachment trusty_nova_2014.1.3-0ubuntu2.debdiff seems to be a
debdiff.  The ubuntu-sponsors team has been subscribed to the bug report
so that they can review and hopefully sponsor the debdiff.  If the
attachment isn't a patch, please remove the patch flag from the
attachment, remove the patch tag, and if you are member of the
~ubuntu-sponsors, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issue please contact him.]

** Tags added: patch

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Title:
  iSCSI volume detach does not correctly remove the multipath device
  descriptors

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