The Book of Xen: A Practical Guide for the System Administrator (Anglais) Broché – 1 octobre 2009
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Description du produit
Présentation de l'éditeur
The Book of Xen explains everything you need to know in order to use Xen effectively, including installation, networking, memory management, and virtualized storage. You'll also learn how to use Xen and standard Linux tools to take snapshot backups, perform QoS operations on network traffic, and limit over-aggressive disk users.
Authors Chris Takemura and Luke S. Crawford show you how to:
–Provide virtual hosting for dozens of users, each with their own individual needs
–Install and manage multiple guests, including various flavors of Linux, NetBSD, Solaris, and Windows
–Choose the right virtual storage options for your needs
–Migrate your systems seamlessly and create new images
–Tune and benchmark your systems to make them as fast as possible
–Troubleshoot Xen's most common problems like network and memory management
Expert advice is priceless when it comes to running a complicated open source virtualization technology like Xen. You'll get the advice you need in The Book of Xen.
Biographie de l'auteur
Luke S. Crawford has used virtualization in production since before it was cool, virtualizing hundreds of servers for large and small corporations. He launched the prgmr.com VPS service in 2005, selling virtual servers based on FreeBSD jails before switching to Xen in an effort to more fairly allocate resources.
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Détails sur le produit
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Meilleurs commentaires des clients
Author sure have a good practice of the daily xen administration, another book, "The art of xen networking", focusing on advanced networking and distributed storage management with xen would be great.
Commentaires client les plus utiles sur Amazon.com
The original intent was to supplement the meager Xen documentation at the time; that has since improved but nevertheless The Book of Xen provides a really good introduction to the genesis and objectives of Xen
I am a Xen newbie who has spent the last few weeks reading scores of web pages, source code and PDF files to understand it in detail. Unfortunately I found it challenging to tie everything together because the information was fragmented.
For example, I wanted to figure how to setup fully automated hypervisor+dom0 PXE/TFTP network booting using answerfiles and kickstarts. There were a number of examples on the web including one in the official XCP installation manual but none of them explained how to troubleshoot problems (like VNC not working) and none of them were complete which had me sending a lot of email to the xen users group asking for help. I eventually got it working (with help) but it took more time than necessary.
BTW, the Xen users group folks were very helpful and I strongly recommend them as a resource but I digress...
While searching for help I found this book on Amazon and bought it based on the table of contents. I just finished reading it and was very impressed. The book did a great job of pulling together the disparate pieces of information that I had found on the web as well as introducing concepts that I didn't know much about (like para-virtualized drivers for HVMs, cobbler and where xen/xend log files live). The book was well organized, the writing style flowed well and the examples were very good.
This book is about the Xen Hypervisor so it doesn't talk about XCI or XCP. It also does not discuss Xen 4.0 because that came out after it was published but that is not a problem because the basic concepts and terminology are the same. It does talk about Citrix XenServer in some detail which is helpful to compare/contrast the Citrix approach.
If you are interested in learning how to work with Xen from a practical perspective, this is the book for you.
Note that I am not qualified to comment on how useful it is for experienced Xen administrators.
About two years ago I read and reviewed Professional Xen Virtualization by William Von Hagen. That book spends more time guiding the reader through the concept of virtualization, and tends to cover system administration from a wider angle than TBOX. In contrast, TBOX treats the reader more as a professional sys admin who wants to apply his or her skill set to Xen. TBOX does spend some time discussing Xen internals, and I found the depth of that discussion just right for this book. Other books discuss Xen internals to a greater degree, so there was no need to repeat material here.
TBOX does tend to focus on running Linux domU on a Linux dom0. This is not surprising given the lesser maturity and popularity of other options, specifically as dom0. Ch 8 does cover Solaris and NetBSD, and Ch 13 is devoted to Windows as domU. As support for Xen matures I expect a second edition of TBOX to address other combinations of operating systems as dom0 and domU.
TBOX is unique thanks to the sections on profiling and benchmarking (Ch 10), "tips" (Ch 14), and troubleshooting (Ch 15). I appreciate when authors of technical books share lessons and tricks from their own shops. I am also a big fan of their writing style and attempts at humor. This could easily have been a very dry technical book, but TBOX is entertaining from the start. Great work!
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