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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

Setting up vCenter Server High Availability


High availability is an important feature of any mission-critical system, and VCSA is no exception. Since your VCSA system manages your entire virtualized environment, it needs to be able to recover from hardware and software failures. When using VCSA in vSphere 6.5, you can configure vCenter Server High Availability (VCHA). If VCSA fails, VCHA is designed to carry out the failover and be back up and running in less than 5 minutes. VCHA is only available with VCSA and is not available for vCenter running in Windows.

VCHA consists of an active and passive VCSA and a witness. The active VCSA does synchronous vPostgres DB replication and file replication to the passive VCSA. There is also a floating management IP address that is tied to the active VCSA. If the active VCSA goes offline, the passive VCSA and the witness will create a quorum, take over the floating IP address, and become the active VCSA. If the offline VCSA comes back online, it becomes...

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