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Proxmox High Availability by Simon M.C. Cheng

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HA capability for Proxmox with a two-node cluster

In this section, I will show you how a Proxmox cluster helps us in enhancing the system availability. Assume that we are building a cluster with two active member nodes, which means virtual machines are running on both the server nodes. Let's take a look at the following structure:

HA capability for Proxmox with a two-node cluster

As we mentioned in the section on system requirements, we need at least two physical servers connected with a network switch, and we need SAN storage to save virtual disk images. This is the minimal requirement to build a cluster. With this set of hardware, we can successfully install Proxmox in cluster mode. However, is ...

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