Chapter 8. Cinder – OpenStack Block Storage

In this chapter, we will cover the following recipes:

  • Configuring Cinder-volume services
  • Configuring OpenStack Compute for Cinder-volume
  • Creating volumes
  • Attaching volumes to an instance
  • Detaching volumes from an instance
  • Deleting volumes
  • Configuring third-party volume services
  • Working with Cinder snapshots
  • Booting from volumes

Introduction

Data written to currently running instances on disks is not persistent—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. Similar to USB drives, you can only attach instances to one computer ...

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