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OpenStack Cloud Computing Cookbook, Third Edition

OpenStack Cloud Computing Cookbook, Third Edition

By : Cody Bunch
3.4 (5)
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OpenStack Cloud Computing Cookbook, Third Edition

OpenStack Cloud Computing Cookbook, Third Edition

3.4 (5)
By: Cody Bunch

Overview of this book

OpenStack Open Source software is one of the most used cloud infrastructures to support software development and big data analysis. It is developed by a thriving community of individual developers from around the globe and backed by most of the leading players in the cloud space today. It is simple to implement, massively scalable, and can store a large pool of data and networking resources. OpenStack has a strong ecosystem that helps you provision your cloud storage needs. Add OpenStack's enterprise features to reduce the cost of your business. This book will show you the steps to build up a private cloud environment. At the beginning, you'll discover the uses of cloud services such as the identity service, image service, and compute service. You'll dive into Neutron, the OpenStack Networking service, and get your hands dirty with configuring ML2, networks, routers, and Distributed Virtual Routers. You’ll then gather more expert knowledge on OpenStack cloud computing by managing your cloud's security and migration. After that, we delve in to OpenStack Object storage and how to manage servers and work with objects, cluster, and storage functionalities. Also, as you go deeper into the realm of OpenStack, you'll learn practical examples of Block storage, LBaaS, and FWaaS: installation and configuration covered ground up. Finally, you will learn OpenStack dashboard, Ansible and Foreman, Keystone, and other interesting topics.
Table of Contents (13 chapters)
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12
Index

Detecting and replacing failed hard drives


OpenStack Object Storage won't be of much use if it cannot access the hard drives where our data is stored; therefore, being able to detect and replace failed hard drives is essential. OpenStack Object Storage can be configured to detect hard drive failures with the swift-drive-audit command. This will allow us to detect failures so that we can replace the failed hard drive, which is essential to the system health and performance.

Getting ready

Ensure that you are logged in to the swift-proxy nodes. If you created this node with Vagrant, you can access it by issuing the following commands:

vagrant ssh swift-proxy
vagrant ssh swift-01

How to do it...

To detect a failing hard drive, carry out the following steps:

Storage node

We need to follow these steps to make changes in our storage node:

  1. We first need to configure a cron job that monitors /var/log/kern.log for failed disk errors on our storage nodes. To do this, we create a configuration file named...

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