Chapter 6 walks us through some of the storage options that can be used for storing
Xen domains. Storage systems such as the file system, Network File System (NFS),
and Logical Volume Management (LVM) are discussed.
Chapter 7 shows how to secure Xen domains by encrypting the root file systems. The
two techniques covered are plain device mapper-based encryption and key-based
encryption using LUKS.
Chapter 8 introduces the options available for the migration of Xen instances. We
will save and restore domains, and explore live migration. We will also look at what
happens behind the scenes when Xen performs a live migration of a domain.
Chapter 9 talks about some of the newer ideas based on Xen such as libvirt??”a
virtualization API for interacting with multiple virtualization implementations, and
VMCasting??”an RSS based technology that can automate the deployment of Xen
images using the RSS 2.0 format.
Conventions
In this book, you will find a number of styles of text that distinguish between
different kinds of information. Here are some examples of these styles, and an
explanation of their meaning.
There are three styles for code. Code words in text are shown as follows: "Create a
directory named xen-images. We will create all our guest images in this directory."
A block of code will be set as follows:
Preface
[ 3 ]
Any command-line input and output is written as follows:
~ make linux-2.
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