On vrijdag 16 februari 2018 00:21:34 CET Gregory Farnum wrote:
> If mon.0 is not connected to the cluster, the monitor version report won’t
> update — how could it?
>
> So you need to figure out why that’s not working. A monitor that’s running
> but isn’t part of the active set is not good.
Obviously, I check the versions after the monitor is restarted. So the steps I followed are:
- `ceph tell mon.* version`
- Stop mon.0
- Verify mon.0 is actually stopped using `ps uaxwww` and `ceph -s` on other monitors
- Start mon.0
- `ceph tell mon.* version`
It's not too weird that various versions of OSD's are running. The box has a high uptime and has been upgraded in between of adding new OSD's. The md5sum of /usr/bin/ceph-mon, which is obviously the daemon that is running, is identical on all machines.
See the attachment for logging on the moment of restarting.
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