Open Stack

Hi all,
I have a question. If we have an old openstack deployment (Queens) that have VM's (with & without volumes attached) and we want to migrate those to a new deploy (Victoria) can this be achieved by the owners of the VM's through horizon in some way?
We can take snapshots of the vm's that don't have volumes attached, copy them to the new controller and re instantiate them but we haven't found a solution for the volumes yet. This give us more work though as it all needs to be done over cli so the user is taken out of the loop and it falls on us 3 admins to move over 300 VM's.
Any advice or info would be greatly appreciated. Thanks in advance.
Derek
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20210729/91fa2684/attachment.html>