© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
A. MarkelovCertified OpenStack Administrator Study Guide Certification Study Companion Serieshttps://doi.org/10.1007/978-1-4842-8804-7_9

9. Block Storage

Andrey Markelov1  
Stockholm, Sweden

This chapter covers 10% of the Certified OpenStack Administrator exam requirements. Block storage is an essential topic for data reliability in the private cloud. As you will learn in this chapter, you cannot build a highly available static solution without using block storage.

Cinder’s Architecture and Components

Instances use an ephemeral volume by default. This kind of volume does not save the changes made on it and reverts to its original state when the current user ...

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