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Mastering Proxmox

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

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781788397605
Length 494 pages
Edition 3rd Edition
Tools
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Author (1):
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Wasim Ahmed Wasim Ahmed
Author Profile Icon Wasim Ahmed
Wasim Ahmed
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Table of Contents (17) Chapters Close

Preface 1. Understanding Proxmox VE and Advanced Installation 2. Creating a Cluster and Exploring the Proxmox GUI FREE CHAPTER 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

Local storage versus shared storage


Shared storage is not absolutely necessary in a Proxmox cluster environment, but without a doubt, it makes storage management a simpler task. In a small business environment, it may be adequate not to have 24/7 uptime and 100% reliability, so a local storage system will suffice. In most enterprise virtual environments with critical data, shared storage is the only logical choice due to the benefits it brings to the whole cluster operation. The following are considered benefits of using shared storage:

  • Live migration of a virtual machine
  • Seamless expansion of multi-node storage space
  • Centralized backup
  • Multilevel data tiering
  • Central storage management

Live migration of a virtual machine

This is probably one of the important sought-after reasons to go for a shared storage system. Live migration is when a virtual machine can be moved to a different node without shutting it down first. Offline migration is when the virtual machine is powered off prior to migration...

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