Currently running Octopus 15.2.16, trying to upgrade to Pacific using cephadm. 3 mon nodes running 15.2.16 2 mgr nodes running 16.2.9 15 OSD's running 15.2.16 The mon/mgr nodes are running in lxc containers on Ubuntu running docker from the docker repo (not the Ubuntu repo). Using cephadm to remove one of the monitor nodes, and then re-add it back with a 16.2.9 version. The monitor node runs but never joins the cluster. Also, this causes the other 2 mon nodes to start flapping. Also tried adding 2 mon nodes (for a total of 5 mons) on bare metal running Ubuntu (with docker running from the docker repo) and the mon's won't join and won't even show up in 'ceph status' Can't find anything in the logs regarding why it's failing. The docker container starts and seems to try to join the cluster but just sits and doesn't join. The other two start flapping and then eventually I have to stop the new mon. I can add the monitor back by changing the container_image to 15.2.16 and it will re-join the cluster as expected. The cluster was previously running nautilus installed using ceph-deploy Tried setting 'mon_mds_skip_sanity true' from reading another post but it doesn't appear to help. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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