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KVM Virtualization Cookbook

You're reading from   KVM Virtualization Cookbook Learn how to use KVM effectively in production

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781788294676
Length 340 pages
Edition 1st Edition
Languages
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Author (1):
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Konstantin Ivanov Konstantin Ivanov
Author Profile Icon Konstantin Ivanov
Konstantin Ivanov
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Toc

Table of Contents (15) Chapters Close

Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Getting Started with QEMU and KVM FREE CHAPTER 2. Using libvirt to Manage KVM 3. KVM Networking with libvirt 4. Migrating KVM Instances 5. Monitoring and Backup of KVM Virtual Machines 6. Deploying KVM Instances with OpenStack 7. Using Python to Build and Manage KVM Instances 8. Kernel Tuning for KVM Performance

Configuring PCI passthrough network


The KVM hypervisor supports directly attaching PCI devices from the host OS to the virtual machines. We can use this feature to attach a network interface directly to the guest OS, without the need for using NAT or software bridges. In this recipe, we are going to attach a Network Interface Card (NIC) that supports SR-IOV Single Root I/O Virtualization (SR-IOV) from the host to the KVM guest. SR-IOV is a specification that allows a Peripheral Component Interconnect Express (PCIe ) device to appear as multiple separate physical devices that can be shared between many virtual machines on the same host, bypassing the hypervisor layer, thus achieving native network speeds. Cloud providers such as Amazon AWS expose this feature for its EC2 compute instances through API calls.

Getting ready

In order to complete this recipe, we are going to need the following:

  • A physical host with NIC that supports SR-IOV
  • A 802.1Qbh capable switch with connection to the physical...
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