I think what it’s saying is that it wants for more than one mgr daemon to be provisioned, so that it can failover when the primary is restarted. I suspect you would then run into the same thing with the mon. All sorts of things tend to crop up on a cluster this minimal.
> On Apr 1, 2021, at 10:15 AM, Adrian Sevcenco <Adrian.Sevcenco@xxxxxxx> wrote:
>
> Hi! I have a single machine ceph installation and after trying to update to
> pacific the upgrade is stuck with:
>
> ceph -s
> cluster:
> id: d9f4c810-8270-11eb-97a7-faa3b09dcf67
> health: HEALTH_WARN
> Upgrade: Need standby mgr daemon
>
> services:
> mon: 1 daemons, quorum sev.spacescience.ro (age 3w)
> mgr: sev.spacescience.ro.wpozds(active, since 2w)
> mds: sev-ceph:1 {0=sev-ceph.sev.vmvwrm=up:active}
> osd: 2 osds: 2 up (since 2w), 2 in (since 2w)
>
> data:
> pools: 4 pools, 194 pgs
> objects: 32 objects, 8.4 KiB
> usage: 2.0 GiB used, 930 GiB / 932 GiB avail
> pgs: 194 active+clean
>
> progress:
> Upgrade to docker.io/ceph/ceph:v16.2.0 (0s)
> [............................]
>
> How can i put the mgr on standby? so far i did not find anything relevant..
>
> Thanks a lot!
> Adrian
>
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