Book Image

OpenStack Essentials - Second Edition

By : Dan Radez
Book Image

OpenStack Essentials - Second Edition

By: Dan Radez

Overview of this book

OpenStack is a widely popular platform for cloud computing. Applications that are built for this platform are resilient to failure and convenient to scale. This book, an update to our extremely popular OpenStack Essentials (published in May 2015) will help you master not only the essential bits, but will also examine the new features of the latest OpenStack release - Mitaka; showcasing how to put them to work straight away. This book begins with the installation and demonstration of the architecture. This book will tech you the core 8 topics of OpenStack. They are Keystone for Identity Management, Glance for Image management, Neutron for network management, Nova for instance management, Cinder for Block storage, Swift for Object storage, Ceilometer for Telemetry and Heat for Orchestration. Further more you will learn about launching and configuring Docker containers and also about scaling them horizontally. You will also learn about monitoring and Troubleshooting OpenStack.
Table of Contents (20 chapters)
OpenStack Essentials Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Chapter 13. Troubleshooting

With the number of moving parts that make up an OpenStack installation, it is inevitable that as the cluster is brought up for the first time, a few things will not work. Further, as the cluster operates, there will also be service failures that should be addressed. It is very important to be able to troubleshoot a running OpenStack installation. Let's take a look at some of the details of how things work under the hood and how to figure out what is going wrong when things are not working properly. We will look at general troubleshooting and then take a look in detail at a few components to help troubleshoot each of them.