Hi,
I'm most probably hitting bug http://tracker.ceph.com/issues/13755 - when libvirt mounted RBD disks suspend I/O during snapshot creation until hard reboot.
My Ceph cluster (monitors and OSDs) is running v0.94.3, while clients (OpenStack/KVM computes) run v0.94.5. Can I still update the client packages (librbd1 and dependencies) to a patched release 0.94.7, while keeping the cluster on v0.94.3?
I realize it's not ideal but does it present any risk? Can I assume that patching the client is sufficient to resolve the mentioned bug?
Ceph cluster nodes can't receive updates currently and this will stay so for some time still, but I need to resolve the snapshot bug urgently.
Greetings,
Lukáš
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