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[Zhenzan Zhou <zhenzan.zhou@xxxxxxxxx>]

Public bug reported:

The nova host lost power and after restarted, the previous running instance is still shown in 
"Running" state but actually not started:

root@allinone-controller0-esenfmnxzcvk:~# nova list
+--------------------------------------+------------------------------------+--------+------------+-------------+---------------------------------------+
| ID                                   | Name                               | Status | Task State | Power State | Networks                              |
+--------------------------------------+------------------------------------+--------+------------+-------------+---------------------------------------+
| 13d9eead-191e-434e-8813-2d3bf8d3aae4 | alexcloud-controller0-rr5kdtqmv7qz | ACTIVE | -          | Running     | default-net=172.16.0.15, 30.168.98.61 |
+--------------------------------------+------------------------------------+--------+------------+-------------+---------------------------------------+
root@allinone-controller0-esenfmnxzcvk:~# ps -ef |grep -i qemu
root      95513  90291  0 14:46 pts/0    00:00:00 grep --color=auto -i qemu


Please note the resume_guests_state_on_host_boot flag is False. Log file is attached.

** Affects: nova
     Importance: Undecided
         Status: New

** Attachment added: "Nova compute Log"
   https://bugs.launchpad.net/bugs/1408176/+attachment/4293275/+files/nova-compute-Jan07.log

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https://bugs.launchpad.net/bugs/1408176

Title:
  Nova instance not boot after host restart but still show as Running

Status in OpenStack Compute (Nova):
  New

Bug description:
  The nova host lost power and after restarted, the previous running instance is still shown in 
  "Running" state but actually not started:

  root@allinone-controller0-esenfmnxzcvk:~# nova list
  +--------------------------------------+------------------------------------+--------+------------+-------------+---------------------------------------+
  | ID                                   | Name                               | Status | Task State | Power State | Networks                              |
  +--------------------------------------+------------------------------------+--------+------------+-------------+---------------------------------------+
  | 13d9eead-191e-434e-8813-2d3bf8d3aae4 | alexcloud-controller0-rr5kdtqmv7qz | ACTIVE | -          | Running     | default-net=172.16.0.15, 30.168.98.61 |
  +--------------------------------------+------------------------------------+--------+------------+-------------+---------------------------------------+
  root@allinone-controller0-esenfmnxzcvk:~# ps -ef |grep -i qemu
  root      95513  90291  0 14:46 pts/0    00:00:00 grep --color=auto -i qemu

  
  Please note the resume_guests_state_on_host_boot flag is False. Log file is attached.

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