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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

Avoiding the use of a resource pool as a folder structure


It is common to use resource pools to create a folder structure in the host, have a cluster view of vCenter, and categorize your VMs. Administrators may place these VMs into these resource pools for sorting, but this is not the true sense of using resource pools. Resource pools should be used to prioritize VM workloads and guarantee and/or limit the number of resources available to a group of VMs. The issue is that even though a particular resource pool may have a higher level of shares, by the time the pool is subdivided, the VM ends up with fewer shares than a VM that resides in a resource pool with a lower number of shares.

If you create a resource pool with the default settings, then by default, this resource pool will be assigned 4,000 shares. Also, a VM has a default of 1,000 shares. In this way, if you place three VMs on a resource pool, even with default settings, the resources will be divided by three. This means that each...

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