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Ceph Cookbook

Ceph Cookbook

By : Karan Singh, Hackett, Umrao
4.2 (9)
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Ceph Cookbook

Ceph Cookbook

4.2 (9)
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)
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Recovering from a disaster!

The following recipes will show how to fail over to the mirrored data on the backup cluster after the primary cluster ceph has encountered a disaster and how to failback once the ceph cluster has recovered. There are two methods for failover when dealing with a disaster:

  • Orderly: Failover after an orderly shutdown. This would be a proper shutdown of the cluster and demotion and promotion of the image.
  • Non-orderly: Failover after a non-orderly shutdown. This would be a complete loss of the primary cluster. In this case, the failback would require a resynchronizing of the image.

How to do it...

  1. How to properly failover after an orderly shutdown:
    • Stop all client's that are writing to the primary...

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