Ceph Networking

Before we start to deploy ceph cluster, we should notice some points about ceph cluster.

In ceph we can have two network for our cluster: A) Public Network B) Cluster Network Note: this two networks are best practice for production for stage deployment you can just delploy your cluster with single network. Note: Please pay attention to deployment plan, after deployment, you cannot seprate your network cluster.

Ceph Network
  • Public(Client) Network: The public network is the network over which Ceph daemons(Monitor, Manager, OSD, MDS) communicate with each other and with their clients. It is also used by monitors, managers, and MDS nodes to talk with OSD nodes.

  • Cluster Network: The cluster network is the back-end network between the OSD nodes, for replication, re-balancing, and recovery. (primary OSD sends two copies to other OSDs via this network)

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