On 2019-02-20 17:38, Mykola Golub wrote:
Note, if even rbd supported live (without any downtime) migration you
would still need to restart the client after the upgrate to a new
librbd with migration support.
You could probably get away with executing the client with a new librbd
version by live migrating the VM to an updated hypervisor.
At least, this is what I have been doing so far when updating Ceph
client libraries having zero downtime.
-K.
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