O'Reilly logo

OpenStack Cloud Computing Cookbook by Kevin Jackson

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 8. Nova Volumes

In this chapter, we will cover:

  • Configuring nova-volume services
  • Configuring OpenStack Compute for nova-volume
  • Creating volumes
  • Attaching volumes to instances
  • Detaching volumes from an instance
  • Deleting volumes

Introduction

Data written to currently running instances on disks is not persistent—meaning that when you terminate such instances, any disk writes will be lost. Volumes are persistent storage that you can attach to your running OpenStack Compute instances; the best analogy is that of a USB drive that you can attach to an instance. Like USB drives, you can only attach instances to one computer at a time. Nova Volumes are very similar to Amazon EC2's Elastic Block Storage—the difference is how these are presented to the running ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required