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Proxmox High Availability by Simon M.C. Cheng

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Chapter 3. Key Components for Building a Proxmox VE Cluster

Now, we are going to learn about the components needed to build a reliable cluster with Proxmox VE. Let's have an overview of the HA environment. We require a shared storage to save system and user data for the VM, a reliable network with redundancy, multiple physical servers, and a fencing device to prevent multiple access to the VM. The topics included in this chapter are:

  • An introduction to the storage options supported by Proxmox
  • An introduction to the requirements for a reliable network
  • An introduction to fencing devices
  • An introduction to quorum disks

Key component 1 – shared storage

In order to ensure HA, we must not have a single point of failure, which means each virtual machine should ...

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