Yes, also. The main reason though is temporarily missing connection from Ceph nodes to package repo - this will take some days or weeks to reconnect.
The client nodes can connect and update.
Thanks,
Lukáš
On Tue, Feb 14, 2017 at 6:56 PM, Shinobu Kinjo <skinjo@xxxxxxxxxx> wrote:
On Wed, Feb 15, 2017 at 2:18 AM, Lukáš Kubín <lukas.kubin@xxxxxxxxx> wrote:
> 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?
The latest hammer is v0.94.9 and hammer will be EOL in this spring.
Why do you want to keep v0.94.3? Is it because you just want to avoid
any risks regarding to upgrading packages?
>
> 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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