Ceph:Install Storage Cluster

Create A Cluster

• Add and Install the ndoes

ceph-deploy new {initial-monitor-node(s)} # Add the new node
ceph-deploy install {ceph-node}[{ceph-node} ...] # Install New Node

• Add the Monitors

ceph-deploy mon create-initial

This will create a number of files in your current directory.

OSDs

• Add the OSDs (using a directory rather than an entire disk for daemon). Lginto the nodes and create the ods driecotry:

 
ssh node2
sudo mkdir /var/local/osd0
exit

ssh node3
sudo mkdir /var/local/osd1
exit

• Install the OSDs

ceph-deploy osd prepare {ceph-node}:/path/to/directory
ceph-deploy osd activate {ceph-node}:/path/to/directory

• Copy the configuarions Files to teh ndoes

ceph-deploy admin {ceph-node}
sudo chmod +r /etc/ceph/ceph.client.admin.keyring
ceph health

MDSs

• Create a MDS

ceph-deploy mds create {ceph-node}

Monitors

Adding second monitor is used for HA.

ceph-deploy mon create {ceph-node}