[openstack-dev] [nova] a question about instance snapshot

Alex Xu xuhj at linux.vnet.ibm.com
Sun Mar 9 14:03:58 UTC 2014

Hi, Jeremy, the discussion at here 

On 2014年03月07日 10:29, Liuji (Jeremy) wrote:
> Hi, all
> Current openstack seems not support to snapshot instance with memory and dev states.
> I searched the blueprint and found two relational blueprint like below.
> But these blueprint failed to get in the branch.
> [1]: https://blueprints.launchpad.net/nova/+spec/live-snapshots
> [2]: https://blueprints.launchpad.net/nova/+spec/live-snapshot-vms
> In the blueprint[1], there is a comment,"
> We discussed this pretty extensively on the mailing list and in a design summit session.
> The consensus is that this is not a feature we would like to have in nova. --russellb "
> But I can't find the discuss mail about it. I hope to know why we think so ?
> Without memory snapshot, we can't to provide the feature for user to revert a instance to a checkpoint.
> Anyone who knows the history can help me or give me a hint how to find the discuss mail?
> I am a newbie for openstack and I apologize if I am missing something very obvious.
> Thanks,
> Jeremy Liu
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