You can live-migrate VMs to a server with upgraded Ceph libraries; anything that restarts the underlying qemu process will be enough
Paul
--
Paul Emmerich
Looking for help with your Ceph cluster? Contact us at https://croit.io
croit GmbH
Freseniusstr. 31h
81247 München
www.croit.io
Tel: +49 89 1896585 90
Paul Emmerich
Looking for help with your Ceph cluster? Contact us at https://croit.io
croit GmbH
Freseniusstr. 31h
81247 München
www.croit.io
Tel: +49 89 1896585 90
On Tue, Jun 18, 2019 at 7:34 AM Pardhiv Karri <meher4india@xxxxxxxxx> wrote:
_______________________________________________Hi,What is the easiest and fastest way to upgrade Ceph clients which are Openstack instances. We have a lot of Openstack Instances and rebooting them will take a lot of time as we need to communicate with the end users. Is there any other way like restarting a cinder service to get those clients to the luminous version 12.2.11 that the cluster is on? Unable to use Ceph upmap feature because of that as the older clients are using Hammer version.Current Ceph Features Output:{"mon": {"group": {"features": "0x3ffddff8eeacfffb","release": "luminous","num": 3}},"osd": {"group": {"features": "0x3ffddff8eeacfffb","release": "luminous","num": 619}},"client": {"group": {"features": "0x81dff8eeacfffb","release": "hammer","num": 3316},"group": {"features": "0x3ffddff8eeacfffb","release": "luminous","num": 2990}}}--Pardhiv Karri
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