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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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Toc

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

The main cluster issues

This section contains issues related to the main Proxmox's cluster operations.

Issue – Proxmox virtual machines are running, but the Proxmox GUI shows that everything is offline

This is usually caused by one of the three services, such as pvedaemon, pvestatd, or pveproxy crashing or stopping working for any number of reasons. Simply restarting them through SSH will fix this issue. One of the common causes of this issue is if any NFS shared storage gets stuck during an extended backup task. A node reboot will always fix this issue. But reboot is not always possible in a production node. Forcefully unmounting the NFS shared storage under /mnt/pve/<share>, then running the following...

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