This can be reproduced as follow steps:
1)nova show gcb_test_222 +--------------------------------------+----------------------------------------------------------+ | Property | Value | +--------------------------------------+----------------------------------------------------------+ | status | ACTIVE | | updated | 2013-09-21T03:45:52Z | | OS-EXT-STS:task_state | None | | OS-EXT-SRV-ATTR:host | kvm-installer-222 | | key_name | None | | image | cirros-Image (c2fdf54f-4978-4ee9-af0e-d1e0d5db2631) | | hostId | b605c007b2a5de389a65a645d88d708b82745b4706361d9ef18bf410 | | OS-EXT-STS:vm_state | active | | OS-EXT-SRV-ATTR:instance_name | instance-00000038 | | OS-SRV-USG:launched_at | 2013-09-20T22:45:53.555626 | | OS-EXT-SRV-ATTR:hypervisor_hostname | kvm-installer-222 | | flavor | m1.tiny (1) | | id | 7677f07e-f5f4-42ee-a5d1-f1dbcddab769 | | security_groups | [{u'name': u'default'}] | | OS-SRV-USG:terminated_at | None | | user_id | d02e0752613142da90387adcc7cf2664 | | name | gcb_test_222 | | created | 2013-09-21T03:45:49Z | | tenant_id | 6db20e01ef6f42f18cbebb56f70ebed3 | | OS-DCF:diskConfig | MANUAL | | metadata | {} | | os-extended-volumes:volumes_attached | [] | | accessIPv4 | | | accessIPv6 | | | net1 network | 10.0.2.7 | | progress | 0 | | OS-EXT-STS:power_state | 1 | | OS-EXT-AZ:availability_zone | nova | | config_drive | | +--------------------------------------+----------------------------------------------------------+ 2)nova availability-zone-list +---------------------------------+----------------------------------------+ | Name | Status | +---------------------------------+----------------------------------------+ | internal | available | | |- vapp-0823-kvm-controller-226 | | | | |- nova-cert | enabled :-) 2013-09-21T03:49:11.078833 | | | |- nova-conductor | enabled :-) 2013-09-21T03:49:10.851063 | | | |- nova-consoleauth | enabled :-) 2013-09-21T03:49:10.693941 | | | |- nova-scheduler | enabled :-) 2013-09-21T03:49:10.844385 | | | |- nova-console | enabled :-) 2013-09-21T03:49:11.431072 | | | |- nova-cells | enabled :-) 2013-09-21T03:49:11.945337 | | nova | available | | |- kvm-installer-221 | | | | |- nova-compute | enabled :-) 2013-09-21T03:49:08.087701 | | |- kvm-installer-222 | | | | |- nova-compute | enabled XXX 2013-09-21T03:47:32.943466 | +---------------------------------+----------------------------------------+ 3)nova stop gcb_test_222 4)nova show gcb_test_222 +--------------------------------------+----------------------------------------------------------+ | Property | Value | +--------------------------------------+----------------------------------------------------------+ | status | ACTIVE | | updated | 2013-09-21T03:51:10Z | | OS-EXT-STS:task_state | powering-off | | OS-EXT-SRV-ATTR:host | kvm-installer-222 | | key_name | None | | image | cirros-Image (c2fdf54f-4978-4ee9-af0e-d1e0d5db2631) | | hostId | b605c007b2a5de389a65a645d88d708b82745b4706361d9ef18bf410 | | OS-EXT-STS:vm_state | active | | OS-EXT-SRV-ATTR:instance_name | instance-00000038 | | OS-SRV-USG:launched_at | 2013-09-20T22:45:53.555626 | | OS-EXT-SRV-ATTR:hypervisor_hostname | kvm-installer-222 | | flavor | m1.tiny (1) | | id | 7677f07e-f5f4-42ee-a5d1-f1dbcddab769 | | security_groups | [{u'name': u'default'}] | | OS-SRV-USG:terminated_at | None | | user_id | d02e0752613142da90387adcc7cf2664 | | name | gcb_test_222 | | created | 2013-09-21T03:45:49Z | | tenant_id | 6db20e01ef6f42f18cbebb56f70ebed3 | | OS-DCF:diskConfig | MANUAL | | metadata | {} | | os-extended-volumes:volumes_attached | [] | | accessIPv4 | | | accessIPv6 | | | net1 network | 10.0.2.7 | | progress | 0 | | OS-EXT-STS:power_state | 1 | | OS-EXT-AZ:availability_zone | nova | | config_drive | | +--------------------------------------+----------------------------------------------------------+ 5)nova stop gcb_test_222 ERROR: Instance 7677f07e-f5f4-42ee-a5d1-f1dbcddab769 in task_state powering-off. Cannot stop while the instance is in this state. (HTTP 400) (Request-ID: req-a51eb10b-c034-4ff0-afa5-3e996b812b75)
This can be reproduced as follow steps:
1)nova show gcb_test_222 ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- ------- ------- ------- + ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- ------- ------- ------- + 21T03:45: 52Z | STS:task_ state | None | SRV-ATTR: host | kvm-installer-222 | 4978-4ee9- af0e-d1e0d5db26 31) | 89a65a645d88d70 8b82745b4706361 d9ef18bf410 | SRV-ATTR: instance_ name | instance-00000038 | USG:launched_ at | 2013-09- 20T22:45: 53.555626 | SRV-ATTR: hypervisor_ hostname | kvm-installer-222 | f5f4-42ee- a5d1-f1dbcddab7 69 | USG:terminated_ at | None | a90387adcc7cf26 64 | 21T03:45: 49Z | 18cbebb56f70ebe d3 | volumes: volumes_ attached | [] | STS:power_ state | 1 | AZ:availability _zone | nova | ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- ------- ------- ------- + zone-list ------- ------- ------- ------+ ------- ------- ------- ------- ------- -----+ ------- ------- ------- ------+ ------- ------- ------- ------- ------- -----+ kvm-controller- 226 | | 21T03:49: 11.078833 | 21T03:49: 10.851063 | 21T03:49: 10.693941 | 21T03:49: 10.844385 | 21T03:49: 11.431072 | 21T03:49: 11.945337 | 21T03:49: 08.087701 | 21T03:47: 32.943466 | ------- ------- ------- ------+ ------- ------- ------- ------- ------- -----+ ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- ------- ------- ------- + ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- ------- ------- ------- + 21T03:51: 10Z | STS:task_ state | powering-off | SRV-ATTR: host | kvm-installer-222 | 4978-4ee9- af0e-d1e0d5db26 31) | 89a65a645d88d70 8b82745b4706361 d9ef18bf410 | SRV-ATTR: instance_ name | instance-00000038 | USG:launched_ at | 2013-09- 20T22:45: 53.555626 | SRV-ATTR: hypervisor_ hostname | kvm-installer-222 | f5f4-42ee- a5d1-f1dbcddab7 69 | USG:terminated_ at | None | a90387adcc7cf26 64 | 21T03:45: 49Z | 18cbebb56f70ebe d3 | volumes: volumes_ attached | [] | STS:power_ state | 1 | AZ:availability _zone | nova | ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- ------- ------- ------- + f5f4-42ee- a5d1-f1dbcddab7 69 in task_state powering-off. Cannot stop while the instance is in this state. c034-4ff0- afa5-3e996b812b 75)
+------
| Property | Value |
+------
| status | ACTIVE |
| updated | 2013-09-
| OS-EXT-
| OS-EXT-
| key_name | None |
| image | cirros-Image (c2fdf54f-
| hostId | b605c007b2a5de3
| OS-EXT-STS:vm_state | active |
| OS-EXT-
| OS-SRV-
| OS-EXT-
| flavor | m1.tiny (1) |
| id | 7677f07e-
| security_groups | [{u'name': u'default'}] |
| OS-SRV-
| user_id | d02e0752613142d
| name | gcb_test_222 |
| created | 2013-09-
| tenant_id | 6db20e01ef6f42f
| OS-DCF:diskConfig | MANUAL |
| metadata | {} |
| os-extended-
| accessIPv4 | |
| accessIPv6 | |
| net1 network | 10.0.2.7 |
| progress | 0 |
| OS-EXT-
| OS-EXT-
| config_drive | |
+------
2)nova availability-
+------
| Name | Status |
+------
| internal | available |
| |- vapp-0823-
| | |- nova-cert | enabled :-) 2013-09-
| | |- nova-conductor | enabled :-) 2013-09-
| | |- nova-consoleauth | enabled :-) 2013-09-
| | |- nova-scheduler | enabled :-) 2013-09-
| | |- nova-console | enabled :-) 2013-09-
| | |- nova-cells | enabled :-) 2013-09-
| nova | available |
| |- kvm-installer-221 | |
| | |- nova-compute | enabled :-) 2013-09-
| |- kvm-installer-222 | |
| | |- nova-compute | enabled XXX 2013-09-
+------
3)nova stop gcb_test_222
4)nova show gcb_test_222
+------
| Property | Value |
+------
| status | ACTIVE |
| updated | 2013-09-
| OS-EXT-
| OS-EXT-
| key_name | None |
| image | cirros-Image (c2fdf54f-
| hostId | b605c007b2a5de3
| OS-EXT-STS:vm_state | active |
| OS-EXT-
| OS-SRV-
| OS-EXT-
| flavor | m1.tiny (1) |
| id | 7677f07e-
| security_groups | [{u'name': u'default'}] |
| OS-SRV-
| user_id | d02e0752613142d
| name | gcb_test_222 |
| created | 2013-09-
| tenant_id | 6db20e01ef6f42f
| OS-DCF:diskConfig | MANUAL |
| metadata | {} |
| os-extended-
| accessIPv4 | |
| accessIPv6 | |
| net1 network | 10.0.2.7 |
| progress | 0 |
| OS-EXT-
| OS-EXT-
| config_drive | |
+------
5)nova stop gcb_test_222
ERROR: Instance 7677f07e-
(HTTP 400) (Request-ID: req-a51eb10b-