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Proxmox High Availability by Simon M.C. Cheng

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Setting up a failover domain

According to the definition in Red Hat, a failover domain is a named subset of cluster nodes that are eligible to run a cluster service in the event of a node failure. This means that if there is a node failure, the nodes inside the subset will take the place and responsibility of the failed member that will move the VM to the other node, in our case. For more information, refer to http://goo.gl/6Vmbjb.

At the time of writing this book, we have to configure a failover domain under CLI by adding new settings to the cluster.conf file.

You might notice that there is a Failover domain option under the Add button on the HA-management page. However, if you choose it, you will get the following window, which shows you that ...

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