Add the following lines to the end of /etc/ceph/ceph.conf on each node: rbd default feature = 3 setuser match path = /var/lib/ceph/$type/$cluster-$id. On each node, check that the ceph user and group have ownership of the directories used for Ceph: # chown -R ceph:ceph /var/lib/ceph # chown -R ceph:ceph /etc/ceph.
Fist of all, you need a Ceph cluster already configured. Create the pools, users and set the rights and network ACL. You also need a proxmox, this documentation is made with proxmox 4.4-13. Storage setup. We edit the file /etc/pve/storage.cfg to add our Ceph storage
4. Installing Ceph. To install Ceph on all nodes: $ ceph-deploy install admin-node node1 node2 node3. Issue: [Ceph_deploy][error] runtimeerror:failed to execute command:yum-y install Epel-release ; Workaround: sudo yum -y remove epel-release 5. Configure the initial monitor (s), and collect all keys $ ceph-deploy mon create-initial ceph is a control utility which is used for manual deployment and maintenance of a Ceph cluster. It provides a diverse set of commands that allows deployment of monitors, OSDs, placement groups, MDS and overall maintenance, administration of the cluster. COMMANDS auth Manage authentication keys. It is used for adding, removing, exporting or updating of authentication keys for a particular entity such as a monitor or OSD.
Ceph clusters are constructed using servers, network switches, and external storage. A Ceph cluster is generally constructed using three types of servers: • Ceph monitors. Maintain maps of the clusterstate. • Ceph object storage device (OSD) servers. Store data; handle data replication, recovery, backfilling, and rebalancing.
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