You could also place the mon, mds and mgr daemons in containers - these don't have to be docker containers - you can also use LXD on Ubuntu which gives you a full system container.
This is the approach that the OpenStack Charms deployment tooling takes - it allows each personality within the deployment to be upgraded individually.
On Wed, Aug 28, 2019 at 10:41 AM Mark Schouten <
mark@xxxxxxxx> wrote:
Cool, thanks!
Hi Mark
On Wed, Aug 28, 2019 at 9:51 AM Mark Schouten <
mark@xxxxxxxx> wrote:
Hi,
However, the Ubuntu packages restart all daemons upon upgrade, per node. So if I upgrade the first node, it will restart mon, osds, rgw, and mds'es on that node, even though the rest of the cluster is running the old version.
I tried upgrading a single package, to see how that goes, but due to dependencies in dpkg, all other packages are upgraded as well.
This is a known issue in the Ceph packages in Ubuntu:
the behaviour of debhelper (which generates snippets for maintainer scripts) changed and it was missed - fix being worked on at the moment.
Cheers
James
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