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How to backup instances and restore it in another storage

To: openstack@xxxxxxxxxxxxxxxxxxx
From: mao weijie <mwjpiero@xxxxxxxxx>
Date: Tue, 11 Oct 2011 20:18:46 +0800

 I have just installed nova/glance/keystone/dashboard on one controller and compute/network nodes.

Images and instances are stored in local disk. I know the instances are (base image + Copy-On-Write) files.

Which file should I backup that are enough to restore a instance in another disk?

If my machine disk is broken, I hope to restore instances on another node.


非淡泊無以明志，非寧靜無以致遠