Chapter 1. General Recommendations

You may maintain a Ceph configuration file anywhere you like, but we recommend having an admin node where you maintain a master copy of the Ceph configuration file. When you make changes to your Ceph configuration file, it is a good practice to push the updated configuration file to your Ceph nodes to maintain consistency.

ceph-deploy --overwrite-conf config push {node1}[, {node2}, ...]

If your Ceph nodes have a more recent copy, you can simply pull the Ceph configuration file to your admin node.

ceph-deploy --overwrite-conf config pull {node}

The commands in this reference assume you have an admin keyring. You will need to change the permissions to enable the current user or use sudo with the ceph command to access that ceph.client.admin.keyring.