Nicolas Simonds 824c3706a3 libvirt: make snapshot use RBD snapshot/clone when available ... When rbd is used for ephemeral disks and image storage, make snapshot use ceph directly, and update glance with the new location. In case of failure, it will gracefully fallback to the "generic" snapshot method. This requires changing the typical permissions for the nova ceph user (if using authx) to allow writing to the pool where vm images are stored, and it also requires configuring Glance to provide a v2 endpoint with direct_url support enabled (there are security implications to doing this). Spec: Ia3666d53e663eacf8c65dbffbd4bc847dd948171 DocImpact: Ceph and Glance configuration changes Implements: blueprint rbd-instance-snapshots Change-Id: If13d25b6c94e247d2505583b524ae3af9c34b5dc		2016-01-20 15:36:05 -08:00
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notes	libvirt: make snapshot use RBD snapshot/clone when available	2016-01-20 15:36:05 -08:00
source	Add "unreleased" release notes page	2015-11-12 17:34:54 +01:00