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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 2. Memory Performance Design FREE CHAPTER 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

Choosing the SCSI controller for storage


In vSphere 6.x, there are four types of SCSI controllers for a VM. They are:

  • BusLogic Parallel
  • LSI Logic Parallel
  • LSI Logic SAS
  • VMware Paravirtual

In order to successfully boot a VM, the guest OS must support the type of SCSI HBA you choose for your VM hardware.

BusLogic Parallel is there to support your old Guest OS; an example is Microsoft Windows 2000 Server.

LSI Logic Parallel is there to support most guest operating systems. There is not much difference in I/O performance between Bus Logic and LSI Logic; however, there is a slight difference in the way the hardware represents itself inside the guest. VMware recommends picking up LSI Logic for your Linux.

LSI Logic SAS has been built to support even newer Guest Operating Systems with advanced feature support, for example, clustering support in Windows 2008 and newer. As it is a specially built controller, it boosts the I/O performance slightly than your legacy controller. You need to use VM hardware version...

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