29 Mar
2021
29 Mar
'21
11:50 a.m.
On 3/28/21 3:52 PM, Dave Hall wrote:
Hello,
We are in the process of bringing new hardware online that will allow us
to get all of the MGRs, MONs, MDSs, etc. off of our OSD nodes and onto
dedicated management nodes. I've created MGRs and MONs on the new
nodes, and I found procedures for disabling the MONs from the OSD nodes.
Now I'm looking for the correct procedure to remove the MGRs from the
OSD nodes. I haven't found any reference to this in the documentation.
Is it as simple as stopping and disabling the systemd service/target? Or
are there Ceph commands? Do I need to clean up /var/lib/ceph/mgr?
Yes, just disable it. And afterward remove the key for that manager:
ceph auth rm mgr.$daemon and clean up the mgr directory like you mentioned.
Same questions about MDS in the near term, but I haven't searched the
docs yet.
Same thing.
Those daemons, if they need to store state, do so in the cluster. You
can create / remove these daemons as approriate.
Gr. Stefan