4. Learning OpenStack Storage – Deploying the Hybrid Storage Model | Mastering OpenStack

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Mastering OpenStack

By : Omar Khedher

3.9 (8)

Mastering OpenStack

3.9 (8)

By: Omar Khedher

Overview of this book

This book is intended for system administrators, cloud engineers, and system architects who want to deploy a cloud based on OpenStack in a mid- to large-sized IT infrastructure. If you have a fundamental understanding of cloud computing and OpenStack and want to expand your knowledge, then this book is an excellent checkpoint to move forward.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Designing OpenStack Cloud Architecture

1. Designing OpenStack Cloud Architecture

OpenStack – think again

Introducing the OpenStack logical architecture

Gathering the pieces and building a picture

A sample architecture setup

Summary

2. Deploying OpenStack – DevOps and OpenStack Dual Deal

2. Deploying OpenStack – DevOps and OpenStack Dual Deal

DevOps in a nutshell

Eat the elephant

Summary

3. Learning OpenStack Clustering – Cloud Controllers and Compute Nodes

3. Learning OpenStack Clustering – Cloud Controllers and Compute Nodes

Understanding the art of clustering

Divide and conquer

Summary

4. Learning OpenStack Storage – Deploying the Hybrid Storage Model

4. Learning OpenStack Storage – Deploying the Hybrid Storage Model

Understanding the storage types

Cooking Swift

Choosing the storage

Summary

5. Implementing OpenStack Networking and Security

5. Implementing OpenStack Networking and Security

The story of an API

Security groups

Firewall as a Service

Summary

6. OpenStack HA and Failover

6. OpenStack HA and Failover

HA under the scope

Measuring HA

Summary

7. OpenStack Multinode Deployment – Bringing in Production

7. OpenStack Multinode Deployment – Bringing in Production

Confirming the multinode setup

The network topology

The OpenStack deployment

Summary

8. Extending OpenStack – Advanced Networking Features and Deploying Multi-tier Applications

8. Extending OpenStack – Advanced Networking Features and Deploying Multi-tier Applications

Navigating through Neutron

Summary

9. Monitoring OpenStack – Ceilometer and Zabbix

9. Monitoring OpenStack – Ceilometer and Zabbix

Telemetry in OpenStack – Ceilometer

Ceilometer and heat

Arming OpenStack monitoring

Summary

10. Keeping Track for Logs – Centralizing Logs with Logstash

10. Keeping Track for Logs – Centralizing Logs with Logstash

Tackling logging

Two eyes are better than one eye

Summary

11. Tuning OpenStack Performance – Advanced Configuration

11. Tuning OpenStack Performance – Advanced Configuration

Pushing the limits of the database

Stressing RabbitMQ

Benchmarking OpenStack at scale

Summary

Index

Index

Understanding the storage types

Which storage technology will fit into your OpenStack cloud implementation? To answer this question, it is necessary to differentiate between different storage types, which will make sense of each use case of your further decision. The fact that OpenStack clouds can work in tandem with many other open source storage solutions might be an advantage, but on the other hand, it can be overwhelming.

Thus, you are tasked in the beginning as you have to decide what you need—persistent or ephemeral storage?

Ephemeral storage

For the sake of simplicity, we will start with the nonpersistent storage, which is called ephemeral storage. As its name suggests, a user who actively uses a virtual machine in the OpenStack environment will lose the associated disks once the VM is terminated.

Persistent storage

Persistent storage means that the storage resource is always available. Powering off the virtual machine does not affect the data. We can divide it into two persistent storage...

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