You're reading from Mastering KVM Virtualization Design expert data center virtualization solutions with the power of Linux KVM

Product type Paperback

Published in Oct 2020

Publisher Packt

ISBN-13 9781838828714

Length 686 pages

Edition 2nd Edition

Tools

KVM

Concepts

Design

Authors (4):

Humble Devassy Chirammal

Prasad Mukhedkar

Vedran Dakic

Anil Vettathu

Preface

1. Section 1: KVM Virtualization Basics

2. Chapter 1: Understanding Linux Virtualization FREE CHAPTER

3. Chapter 2: KVM as a Virtualization Solution

4. Section 2: libvirt and ovirt for Virtual Machine Management

5. Chapter 3: Installing KVM Hypervisor, libvirt, and oVirt

6. Chapter 4: Libvirt Networking

7. Chapter 5: Libvirt Storage

8. Chapter 6: Virtual Display Devices and Protocols

9. Chapter 7: Virtual Machines: Installation, Configuration, and Life Cycle Management

10. Chapter 8: Creating and Modifying VM Disks, Templates, and Snapshots

11. Section 3: Automation, Customization, and Orchestration for KVM VMs

12. Chapter 9: Customizing a Virtual Machine with cloud-init

13. Chapter 10: Automated Windows Guest Deployment and Customization

14. Chapter 11: Ansible and Scripting for Orchestration and Automation

15. Section 4: Scalability, Monitoring, Performance Tuning, and Troubleshooting

16. Chapter 12: Scaling Out KVM with OpenStack

17. Chapter 13: Scaling out KVM with AWS

18. Chapter 14: Monitoring the KVM Virtualization Platform

19. Chapter 15: Performance Tuning and Optimization for KVM VMs

20. Chapter 16: Troubleshooting Guidelines for the KVM Platform

21. Other Books You May Enjoy

Best practices for troubleshooting KVM issues

There are some common-sense best practices when approaching troubleshooting KVM issues. Let's list some of them:

Keep it simple, in configuration: What good does a situation in which you deployed 50 OpenStack hosts across three subnets in one site do? Just because you can subnet to an inch of an IP range's life doesn't mean you should. Just because you have eight available connections on your server doesn't mean that you should LACP all of them to access iSCSI storage. Think about end-to-end configuration (for example, Jumbo Frames configuration for iSCSI networks). Simple configuration almost always means simpler troubleshooting.
Keep it simple, in troubleshooting: Don't go chasing the super-complex scenarios first. Start simple. Start with log files. Check what's written there. With time, use your gut feeling as it will develop and you'll be able to trust it.
Use monitoring tools such...