How to setup Ceph Integrated High Availability on Proxmox VE

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Ceph Integrated High Availability on Proxmox

Optional: Update and Upgrade Proxmox Nodes

Before installing Ceph on the Proxmox nodes, it is recommended to update and upgrade all Proxmox servers.

Steps to update and upgrade:

1. Click on the Proxmox Node.
2. Click on Updates.
3. In the Updates tab, click on Refresh. When a pop-up appears, click on OK; this will refresh the update list.
4. After the update is done, click on the >_ Upgrade option (next to Refresh).

Repeat the above steps on the other two Proxmox nodes as well.

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Steps to Install and Configure Ceph

1. Select one Proxmox node.
2. Click on Ceph, then click on Install Ceph.
3. When a pop-up appears:
   1. In the Repository dropdown, select No-Subscription.
   2. Click on Reef Installation.
4. When prompted with: Continue? [Y/n] → type Y and press Enter.

After installation:

1. Go to the Configuration page.
2. In Public Network, enter: 172.30.21.22/16 (or your actual Ceph communication IP range).
3. Choose the Cluster Network IP as well.
4. Click on Next.
5. Click on Finish.

Repeat the above Ceph installation steps for the remaining two nodes.

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Adding Monitor and Manager in Ceph

1. Click on the first Proxmox node.
2. Under Ceph, select Monitor.

You will see:

• Monitor column (top)
• Manager column (bottom)

Monitors are responsible for maintaining the overall health and state of the Ceph Cluster.

Add Monitors to Other Nodes

By default, the current node is already added as a Monitor. To add the remaining nodes:

1. Click on Create under the Monitor column.
2. Choose Host2, then click on Create.
3. Click on Create again.
4. Choose Host3, then click on Create.

Add Managers to Other Nodes

1. Click on Create under the Manager column.
2. Choose Host2, then click on Create.
3. Click on Create again.
4. Choose Host3, then click on Create.

Once added, the status of these managers will gradually change from Stopped to Standby.

Important:

• One host should be in the Active state.
• The other two hosts should be in the Standby state.
• All Monitor servers should be in a Running state.