[Nova] Instances can't be started after compute nodes unexpectedly shut down because of power outage

Donny Davis donny at fortnebula.com
Thu Jul 11 18:06:00 UTC 2019

Can you ssh to the hypervisor and run virsh list to make sure your
instances are in fact down?

On Thu, Jul 11, 2019 at 3:02 AM Gökhan IŞIK <skylightcoder at gmail.com> wrote:

> Can anyone help me please ? I can no't rescue my instances yet :(
> Thanks,
> Gökhan
> Gökhan IŞIK <skylightcoder at gmail.com>, 9 Tem 2019 Sal, 15:46 tarihinde
> şunu yazdı:
>> Hi folks,
>> Because of power outage, Most of our compute nodes  unexpectedly
>> shut  down and now I can not start our instances.  Error message is "Failed
>> to get "write" lock another process using the image?". Instances Power
>> status is No State.  Full error log is
>> http://paste.openstack.org/show/754107/. My environment is OpenStack
>> Pike on Ubuntu 16.04 LTS servers and Instances are on a nfs shared storage.
>> Nova version is 16.1.6.dev2. qemu version is 2.10.1. libvirt version is
>> 3.6.0. I saw a commit [1], but it doesn't solve this problem.
>> There are important instances on my environment. How can I rescue my
>> instances? What would you suggest ?
>> Thanks,
>> Gökhan
>> [1] https://review.opendev.org/#/c/509774/
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