[Openstack] Root disks with Ceph

Greg Chavez greg.chavez at gmail.com
Wed Sep 11 17:15:41 UTC 2013

So if I use RBD as my storage backend for Cinder, what happens to the root
disks of VMs that I terminate?

Do they still exist as RBD volumes in Ceph or are they

If the answer is that they get deleted, or at the very least OpenStack no
longer keeps track of them, then there isn't much difference between the
root and ephemeral disks in the flavors I am using. other than their being
distinct disk devices.  Or so it seems to me.

--Greg Chavez
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