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.josef...@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 > > _______________________________________________ > OpenStack-operators mailing list > OpenStack-operators@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators _______________________________________________ OpenStack-operators mailing list OpenStack-operators@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators