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Proxmox Cookbook

You're reading from Proxmox Cookbook Over 60 hands-on recipes to perform server virtualization and manage virtualized server solutions with Proxmox

Product type Paperback

Published in Aug 2015

Publisher

ISBN-13 9781783980901

Length 318 pages

Edition 1st Edition

Tools

Proxmox

Concepts

Cloud Computing

Author (1):

Ahmed

View More author details

Table of Contents (18) Chapters

Proxmox Cookbook

Credits

About the Author

About the Reviewers

www.PacktPub.com

Preface

1. Installing Proxmox FREE CHAPTER

2. Getting to Know the Proxmox GUI

3. Cluster and VM Management

4. Network Configurations

5. Firewall Configurations

6. Storage Configurations

7. Backup and Restore

8. Updating and Upgrading Proxmox

9. Monitoring Proxmox

10. Advanced Configurations for VMs

11. The CLI Command Reference

Index

Configuring High Availability

Proxmox High Availability (HA) enables a HA configured virtual machine to automatically restart on another node in the cluster if the physical node fails. Proxmox HA is built on long standing proven Linux HA technology. In this recipe, we are going to see how to configure HA in Proxmox to automigrate a virtual machine during a node or network failure.

Getting ready

There are three primary requirements before HA can be configured:

Cluster: Since the main function of HA is to auto restart a VM from a failed node to a different node, it is goes without saying that Proxmox HA can only be configured on a cluster. This is one of the minimum requirements of Proxmox HA.
Fencing: This the second most important requirement for HA. In order to configure HA, there must be a fencing device or hardware in place. Currently, there is no software-based fencing. In simple words, fencing is when a cluster forces or knocks down a faulty node and prevents it from coming back online...

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Authors (1)

Ahmed

Ahmed

Wasim Ahmed, born in Bangladesh and now a citizen of Canada, is a veteran of the IT world. He first came into close contact with computers in 1992 and never looked back. Wasim has a deep understanding of networks, virtualization, big data storage, and network security. By profession, Wasim is the CEO of a global IT support and cloud service provider based in Calgary, Alberta. He serves many companies and organizations through his company on a daily basis. Wasim's strength comes from his experience, which comes from learning and serving continually. Wasim strives to find the most effective solution at the most competitive price. He has built over 20 enterprise production virtual infrastructures using Proxmox and the Ceph storage system. Wasim and his team are notorious for not simply accepting a technology based on its description alone, but putting it through rigorous testing to check its validity. Any new technology that his company provides goes through months of continuous testing before it is accepted. Proxmox made the cut superbly.

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