Hi Josh, >> I think u are referring to the following: https://blueprints.launchpad.net/nova/+spec/glance-snapshot-tasks
Yes, you're right. >> Can u describe the #2 part in more detail. Do some of the drivers already implement these new steps? I've mostly investigated snapshot method in libvirt driver and quick overview showed that such splitting scheme fits to all vendor-specific drivers, except Docker (it somehow connects the Glance service outside the driver). The global goal is to make snapshot implementation a bit robust, more resumable. I think two of four steps are quite expensive: making snapshot and especially uploading image to the Glance. Splitting snapshot to more "atomic" actions we can handle such situations in place without repetition of the whole heavy snapshot operation. Step further and we probably would implement resumable uploading to the Glance. But anyway right now there is a huge theme about common API for drivers and I would like to hear some thoughts from nova driver team. Thanks, Alexander
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