Ceph: Designing and Implementing Scalable Storage Systems

How to do it...

Deploying an MDS server through ceph-ansible is quite easy, let's review the steps on how this is done:

1. Using Ansible from ceph-node1, we will deploy and configure MDS on ceph-node2. On our Ansible configuration node ceph-node1, add a new section [mdss] to the /etc/ansible/hosts file:
   
2. Navigate to the Ansible configuration directory on ceph-node1, /usr/share/ceph-ansible:

        root@ceph-node1 # cd /usr/share/ceph-ansible

3. Run the Ansible playbook to deploy the MDS on ceph-node2:

         # ansible-playbook site.yml

4. Once the playbook completes successfully, you can validate that the MDS is up and active, that we have created two pools, ...