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vSphere High Performance Cookbook - Second Edition

You're reading from   vSphere High Performance Cookbook - Second Edition Recipes to tune your vSphere for maximum performance

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Product type Paperback
Published in Jun 2017
Publisher
ISBN-13 9781786464620
Length 338 pages
Edition 2nd Edition
Tools
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Authors (3):
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Christopher Kusek Christopher Kusek
Author Profile Icon Christopher Kusek
Christopher Kusek
Prasenjit Sarkar Prasenjit Sarkar
Author Profile Icon Prasenjit Sarkar
Prasenjit Sarkar
Kevin Elder Kevin Elder
Author Profile Icon Kevin Elder
Kevin Elder
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Toc

Table of Contents (11) Chapters Close

Preface 1. CPU Performance Design FREE CHAPTER 2. Memory Performance Design 3. Networking Performance Design 4. DRS, SDRS, and Resource Control Design 5. vSphere Cluster Design 6. Storage Performance Design 7. Designing vCenter on Windows for Best Performance 8. Designing VCSA for Best Performance 9. Virtual Machine and Virtual Environment Performance Design 10. Performance Tools

vSphere Fault Tolerance design and its impact

Deciding whether or not to configure FT depends on the workloads of the protected VMs. One of the major reasons to choose FT is if you require zero or near zero downtime for a critical workload. If you perform a current state analysis of an existing infrastructure and find some critical workloads already protected in the physical infrastructure, it is most likely that these workloads require protection in a VMware virtual infrastructure as well. FT is simple to configure and can offer a wide range of workloads to be protected. However, it works for uniprocessor VMs, which is a deal killer for most VMs that would otherwise get FT.

However, there are a number of limitations associated with the configuration of FT. Many fundamental virtualization benefits are lost, including the use of VM snapshots and VMware vSphere Storage vMotion.

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