Deploying Ceph MDS

To configure the Meta Data Server for the Ceph Filesystem, you should have a running Ceph cluster. In earlier chapters, we learned to deploy the Ceph storage cluster; we will use the same cluster for MDS deployment.

How to do it…

  1. Use ceph-deploy from ceph-node1 to deploy and configure MDS on ceph-node2:
    # ceph-deploy --overwrite-conf mds create ceph-node2
    How to do it…
  2. The command should deploy the MDS and start its daemon on ceph-node2; however, we need to carry out a few more steps to get CephFS accessible:
    # ssh ceph-node2 service ceph status mds
  3. Create data and metadata pools for the Ceph Filesystem:
    # ceph osd pool create cephfs_data 64 ...

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