Book Image

Ceph Cookbook - Second Edition

By : Karan Singh, Hackett, Umrao
Book Image

Ceph Cookbook - Second Edition

By: Karan Singh, Hackett, Umrao

Overview of this book

Ceph is a unified distributed storage system designed for reliability and scalability. This technology has been transforming the software-defined storage industry and is evolving rapidly as a leader with its wide range of support for popular cloud platforms such as OpenStack, and CloudStack, and also for virtualized platforms. Ceph is backed by Red Hat and has been developed by community of developers which has gained immense traction in recent years. This book will guide you right from the basics of Ceph , such as creating blocks, object storage, and filesystem access, to advanced concepts such as cloud integration solutions. The book will also cover practical and easy to implement recipes on CephFS, RGW, and RBD with respect to the major stable release of Ceph Jewel. Towards the end of the book, recipes based on troubleshooting and best practices will help you get to grips with managing Ceph storage in a production environment. By the end of this book, you will have practical, hands-on experience of using Ceph efficiently for your storage requirements.
Table of Contents (15 chapters)

Configuring Nova to attach Ceph RBD

In order to attach the Ceph RBD to OpenStack instances, we should configure the Nova component of OpenStack by adding the RBD user and UUID information that it needs to connect to the Ceph cluster. To do this, we need to edit /etc/nova/nova.conf on the OpenStack node and perform the steps that are given in the following section.

How to do it...

The Cinder service that we configured in the last recipe creates volumes on Ceph, however, to attach these volumes to OpenStack instances, we need to configure Nova:

  1. We have already configured the following options to enable volume attachment:
        rbd_user=cinder
rbd_secret_uuid= e279566e-bc97-46d0-bd90-68080a2a0ad8
  1. To test this configuration...