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Bug 1047863 - Openstack-Nova: Unpause instance after host reboot fails
Openstack-Nova: Unpause instance after host reboot fails
Status: CLOSED ERRATA
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-nova (Show other bugs)
4.0
x86_64 Linux
medium Severity high
: z2
: 4.0
Assigned To: Xavier Queralt
Gabriel Szasz
: Triaged, ZStream
Depends On:
Blocks:
  Show dependency tree / graph
 
Reported: 2014-01-02 07:10 EST by Tzach Shefi
Modified: 2016-04-26 20:31 EDT (History)
8 users (show)

See Also:
Fixed In Version: openstack-nova-2013.2.1-4.el6ost
Doc Type: Bug Fix
Doc Text:
Previously, rebooting a host caused all its instances to stop and change to the SHUTDOWN power state. The unpause action was only allowed on instances with PAUSED power state. As a consequence, it was impossible to unpause/start/reboot an instance that had been paused before the reboot. As it makes no sense to unpause an instance once it has been stopped, a check has been added in a periodic task that will fix the state and stop instances that are in SHUTDOWN/CRASHED power state but are still in the PAUSED state. As a result users can now start those instances again, preventing them from being stuck in an inconsistent state.
Story Points: ---
Clone Of:
Environment:
RHEL RHOS Havana
Last Closed: 2014-03-04 14:04:46 EST
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
compute.log try to unpuase after reboot (80.03 KB, application/x-gzip)
2014-01-02 07:10 EST, Tzach Shefi 		no flags Details
Add an attachment (proposed patch, testcase, etc.)


External Trackers
Tracker ID Priority Status Summary Last Updated
Launchpad 1265494 None None None Never
OpenStack gerrit 68690 None None None Never
Red Hat Product Errata RHSA-2014:0231 normal SHIPPED_LIVE Moderate: openstack-nova security and bug fix update 2014-03-04 19:00:29 EST

  None (edit)
Description Tzach Shefi 2014-01-02 07:10:32 EST 
Created attachment 844520 [details]
compute.log try to unpuase after reboot

Description of problem:
Unpauseing an instance fails if host has rebooted. 

Version-Release number of selected component (if applicable):
RHEL: release 6.5 (Santiago)
RHOS: Havana
openstack-nova-api-2013.2.1-1.el6ost.noarch
openstack-nova-compute-2013.2.1-1.el6ost.noarch
openstack-nova-scheduler-2013.2.1-1.el6ost.noarch
openstack-nova-common-2013.2.1-1.el6ost.noarch
openstack-nova-console-2013.2.1-1.el6ost.noarch
openstack-nova-conductor-2013.2.1-1.el6ost.noarch
openstack-nova-novncproxy-2013.2.1-1.el6ost.noarch
openstack-nova-cert-2013.2.1-1.el6ost.noarch

How reproducible:
Every time 

Steps to Reproduce:
1. Boot an instance 
2. Pause that instance
3. Reboot host
4. Unpause instance  

Actual results:
can't unpause instance stuck in status paused, power state - shutdown

Expected results:
Instance should unpause, return to running state

Additional info:

virsh list -all --managed-save 
ID is missing from paused instance "-" (pausecirros), state -> shut off.

[root@orange-vdse ~(keystone_admin)]# virsh list --all --managed-save
 Id    Name                           State
----------------------------------------------------
 1     instance-00000003              running
 2     instance-00000002              running
 -     instance-00000001              shut off

[root@orange-vdse ~(keystone_admin)]# nova list  (notice nova status paused)
+--------------------------------------+---------------+--------+------------+-------------+-----------------+
| ID                                   | Name          | Status | Task State | Power State | Networks        |
+--------------------------------------+---------------+--------+------------+-------------+-----------------+
| ebe310c2-d715-45e5-83b6-32717af1ac90 | cirros        | ACTIVE | None       | Running     | net=192.168.1.4 |
| 3ef89feb-414f-4524-b806-f14044efdb14 | pausecirros   | PAUSED | None       | Shutdown    | net=192.168.1.5 |
| 8bcae041-2f92-4ae2-a2c2-ee59b067ac76 | suspendcirros | ACTIVE | None       | Running     | net=192.168.1.2 |
+--------------------------------------+---------------+--------+------------+-------------+-----------------+


Testing without rebooting host, ID/state ("1"/paused) instance (cirros) are ok and it unpauses ok.

[root@orange-vdse ~(keystone_admin)]# virsh list --all --managed-save
 Id    Name                           State
----------------------------------------------------
 1     instance-00000003              paused
 2     instance-00000002              running
 -     instance-00000001              shut off
+--------------------------------------+---------------+--------+------------+-------------+-----------------+
| ID                                   | Name          | Status | Task State | Power State | Networks        |
+--------------------------------------+---------------+--------+------------+-------------+-----------------+
| ebe310c2-d715-45e5-83b6-32717af1ac90 | cirros        | PAUSED | None       | Paused      | net=192.168.1.4 |
| 3ef89feb-414f-4524-b806-f14044efdb14 | pausecirros   | PAUSED | None       | Shutdown    | net=192.168.1.5 |
| 8bcae041-2f92-4ae2-a2c2-ee59b067ac76 | suspendcirros | ACTIVE | None       | Running     | net=192.168.1.2 |
+--------------------------------------+---------------+--------+------------+-------------+-----------------+
Comment 5 errata-xmlrpc 2014-03-04 14:04:46 EST 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2014-0231.html
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