On Jan 14, 2014, at 2:10 PM, Jon Bernard <jbern...@tuxion.com> wrote:
> > <snip> >> As you’ve defined the feature so far, it seems like most of it could >> be implemented client side: >> >> * pause the instance >> * snapshot the instance >> * snapshot any attached volumes > > For the first milestone to offer crash-consistent snapshots you are > correct. We'll need some additional support from libvirt, but the > patchset should be straightforward. The biggest question I have > surrounding initial work is whether to use an existing API call or > create a new one. > I think you might have missed the “client side” part of this point. I agree that the snapshot multiple volumes and package it up is valuable, but I was trying to make the point that you could do all of this stuff client side if you just add support for snapshotting ephemeral drives. An all-in-one snapshot command could be valuable, but you are talking about orchestrating a lot of commands between nova, glance, and cinder and it could get kind of messy to try to run the whole thing from nova. Vish <snip>
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