Add node to cluster

To add new node to cluster, ssh via root should be enable on node. so configure host's ssh to be available via root.

in first node, we have a file in /etc/ceph directorie called ceph.pub. In this file, ceph public key stored. add this key to your authorized_keys in root directory via command bellow:

cat /etc/ceph/ceph.pub >> [email protected]:.ssh/authorized_keys

continue #######