Book Image

Ceph Cookbook - Second Edition

By : Vikhyat Umrao, Karan Singh, Michael Hackett
Book Image

Ceph Cookbook - Second Edition

By: Vikhyat Umrao, Karan Singh, Michael Hackett

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)

Monitoring Ceph clusters with Ceph Metrics with the Grafana dashboard

In this recipe, you will see how to monitor a Ceph cluster with the help of Ceph Metrics with the Grafana dashboard. The dashboard has information about the major Ceph daemons and their performances.

How to do it ...

You should use the Grafana login page by using the link ceph-node1:3000/login and username and password as admin:

  1. Log in to the dashboard with the help of the given link and username/password:
  1. Once you log in, you will have the following dashboard:
Ceph Metrics Dashboard

The first light green tab in the preceding dashboard screenshot is nothing but the cluster health which is HEALTH_OK and after that, the three dark green tabs are MON...