[openstack-dev] [Cinder] About snapshot Rollback?

Chenzongliang chenzongliang at huawei.com
Thu Mar 24 09:09:28 UTC 2016

Hi all:
    We are condering add a fucntion rollback_snapshot when we use backup. In the end user's scenario. If a vm fails, we hope that we can use snapshot to to recovery the volume's data.
    Beacuse it can quickly recovery our vm. But if we use the remote data to recovery. We will spend more time.
    But i'm not sure if the data was recoveried from the backend. whether the host need to rescan the volumes? At the same time. If a volume have been extended, whether it can be roolback?

   I want to know whether the topic have been discussed or have other recommendations to us?

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