Open Stack

Thanks Saverio for sharing your notes, I tried openstack snapshot
create and that seems to work. thx will

On Fri, Nov 4, 2016 at 6:35 PM, Saverio Proto <zioproto at gmail.com> wrote:
> Hello,
> if the instance is booted from Volume, when you "nova snapshot" in the
> glance repo you find a image of 0 bytes, that just contains metadata.
>
> you need to make cinder volume snapshots.
>
> This is a recurring FAQ for the users of our cloud, I wrote something
> about it here:
> https://help.switch.ch/engines/documentation/backup-with-snapshots/
>
> Saverio
>
> 2016-11-04 9:58 GMT+01:00 William Josefsson <william.josefson at gmail.com>:
>> Hi list, I have problems creating snapshots with nova image-create on
>> Liberty/CentOS72. I have small ubuntu instances provisioned booted
>> from a cinder volume, I stop the instance, then try to create a
>> snapshot by issuing:
>>
>> As documented here:
>> http://docs.openstack.org/user-guide/cli-use-snapshots-to-migrate-instances.html
>>
>> 'nova image-create --poll instance mySnapshot'
>> This command is successful, and if I do glance image-list I can see
>> the snapshot there.
>>
>> My storage backend is CEPH, and I can in neither of my pools, 'vms',
>> 'volumes', or 'images' see this snapshot imaged stored. I also
>> couldn't find the file in /var/lib/glance.
>>
>> ==> registry.log <==
>> 2016-11-04 15:56:38.413 3525 INFO glance.registry.api.v1.images
>> [req-b759199e-5180-4fcc-8ef4-a24faae81f3b
>> 4919cce6c5d8455994447aa2bc9e6510 7308a926916848f98f2a6
>>                  28b36a091ad - - -] Successfully created image
>> 6fd092d9-eab2-4176-94bc-d98bfb7a180f
>>
>> 2016-11-04 15:56:38.414 3525 INFO eventlet.wsgi.server
>> [req-b759199e-5180-4fcc-8ef4-a24faae81f3b
>> 4919cce6c5d8455994447aa2bc9e6510 7308a926916848f98f2a628b36a091
>>                           ad - - -] 127.0.0.1 - - [04/Nov/2016
>> 15:56:38] "POST /images HTTP/1.1" 200 1184 0.117521
>>
>> If I try to dump the image using 'glance image-download --file
>> snapshot.raw UUID', I get:
>> NoneType object is not an interator
>>
>> Can anybody advice how to get snapshots working? thx will
>>
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