At Wed, 04 May 2011 09:32:42 +0900, MORITA Kazutaka wrote: > > At Tue, 03 May 2011 12:19:50 -0700, > Josh Durgin wrote: > > > > On 05/02/2011 01:46 PM, Chuck Thier wrote: > > > This leads to another interesting question. While our reference > > > implementation may not directly expose snapshot functionality, I imagine > > > other storage implementations could want to. I'm interested to hear what > > > use > > > cases others would be interested in with snapshots. The obvious ones are > > > things like creating a volume based on a snapshot, or rolling a volume > > > back > > > to a previous snapshot. I would like others' input here to shape what the > > > snapshot API might look like. > > > > For RBD we only need the obvious ones: > > - create/list/remove snapshots > > - create volume from a snapshot > > - rollback to a snapshot > > These are the same for Sheepdog too.
Another one we are interested in is getting relationships between snapshots: - find a source snapshot of the cloned volume - list volumes/snapshots created from the same snapshot For example, we can use these information to show snapshots in a tree format as VMware does. http://www.vmware.com/support/ws55/doc/ws_preserve_sshot_manager.html Thanks, Kazutaka _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
