Book Image

OpenStack Cloud Security

By : Fabio Alessandro Locati
Book Image

OpenStack Cloud Security

By: Fabio Alessandro Locati

Overview of this book

Table of Contents (14 chapters)
OpenStack Cloud Security
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Backends


Backends are critical since these software are the real holders of your data. This means that if the backend you are using ends up having a major security flaw, chances are, you'll be afflicted. The main backends are as follows:

Backend

Block storage

File storage

Object storage

Ceph

Yes

Yes

Yes

GlusterFS

Yes

Yes

Yes

LVM

Yes

No

No

NFS

Yes

Yes

No

Sheepdog

Yes

No

Yes

Swift

No

No

Yes

ZFS

Yes

No

No

As you can see, several options can be used as backends. Let's look at each one of them more specifically.

Ceph

Ceph was created by Sage Weil (co-founder of DreamHost) in a doctoral dissertation in 2007. After completing his doctorate, he continued to work on Ceph, and few years later (2011), he approached Inktank Storage to provide commercial support for Ceph. In April 2014, Red Hat acquired Inktank Storage for $175 million.

Ceph is composed of an object store called Reliable, Autonomous, Distributed Object Store (RADOS), on which multiple components rely. Two...