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Mastering Proxmox

You're reading from Mastering Proxmox Build virtualized environments using the Proxmox VE hypervisor

Product type Paperback

Published in Nov 2017

Publisher Packt

ISBN-13 9781788397605

Length 494 pages

Edition 3rd Edition

Tools

Ceph

Concepts

Cloud Computing

Author (1):

Wasim Ahmed

View More author details

Table of Contents (17) Chapters

Preface

1. Understanding Proxmox VE and Advanced Installation FREE CHAPTER

2. Creating a Cluster and Exploring the Proxmox GUI

3. Proxmox under the Hood

4. Storage Systems

5. Installing and Configuring Ceph

6. KVM Virtual Machines

7. LXC Virtual Machines

8. Network of Virtual Networks

9. The Proxmox VE Firewall

10. Proxmox High Availability

11. Monitoring the Proxmox Cluster

12. Proxmox Production-Level Setup

13. Back Up and Restore Virtual Machines

14. Updating/Upgrading Proxmox

15. Proxmox Troubleshooting

16. Rescuing Proxmox

Requirements for HA setup

In Proxmox 4.0, the HA feature has been completely redesigned from the ground up, making it much simpler to configure and use. There are a few requirements that the virtual environment must meet before configuring Proxmox HA. They are as follows:

At least three nodes
Shared storage
Fencing

At least three nodes

HA must be configured in a cluster with a minimum of three nodes because with three nodes or more, achieving a quorum is possible. Quorum is the minimum number of votes required for Proxmox cluster operation. This minimum number is the total vote by a majority of the nodes. For example, in a cluster of three Proxmox nodes, a minimum vote of two Proxmox nodes is required to form a quorum. In a cluster with eight nodes, a minimum vote of five Proxmox nodes is required to form a quorum. With just two nodes, the ratio of votes will always be 1:1, so no quorum is possible.

Shared storage

During a node failure, VM configuration files are moved to the next member node in...

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Authors (1)

Ahmed

Ahmed

Asad Jibran Ahmed is an experienced programmer who has worked mostly with Django-based web applications for the past 5 years. Based in Dubai, UAE, he has worked with some of the biggest web properties in the region, including Dubizzle, the number one classifieds platform in UAE; Nabbesh, one of the top freelancing platforms in the MENA region; and Just Property, a hot and rising name in the property portal space of the region. His experience with such big names has given him a keen insight into how to design performant, stable, and user friendly web applications, all the while using programming practices that make sure that the code base is maintainable for years.

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