Why not use rbd-mirror to handle the volumes?
On May 13, 2020, at 11:27 PM, Kees Meijs <kees@nefos.nl> wrote:
Hi Konstantin,
Thank you very much. That's a good question.
The implementations of OpenStack and Ceph and "the other" OpenStack and Ceph are, apart from networking, completely separate.
In terms of OpenStack I can recreate the compute instances and storage volumes but obviously need to copy the data as well. This is fine for small to medium volumes but now I stumble into some large ones: up to 10 TiBs in size.
My idea (and hope) is to be able to use Ceph's snapshot mechanismn. First: take and copy a snapshot from a certain RBD volume to the other cluster. Then, another snapshot and copy the delta. And then once again but with the compute instance shut off.
K.
On 14-05-2020 06:24, Konstantin Shalygin wrote:
Why just not migrate your VM's?
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