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  • Book Overview & Buying Getting Started with VMware Virtual SAN
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Getting Started with VMware Virtual SAN

Getting Started with VMware Virtual SAN

By : Rajendran
5 (4)
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Getting Started with VMware Virtual SAN

Getting Started with VMware Virtual SAN

5 (4)
By: Rajendran
Buy this Book

Overview of this book

This book is intended for server administrators and storage administrators who would like to successfully build and scale a VSAN-backed vSphere infrastructure. A basic understanding of vSphere concepts and storage fundamentals will be helpful.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. An Introduction to Software-defined Storage and VSAN
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1. An Introduction to Software-defined Storage and VSAN
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What is a Software-defined Data Center?
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The significance of Software-defined Storage
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The storage choices and form factors of Software-defined Storage
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An introduction to VMware Virtual SAN
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Summary
2
2. Understanding Virtual SAN
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2. Understanding Virtual SAN
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Why should I use VSAN?
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What is VSAN?
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Where do I start? Back to the drawing board
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Some simpler options
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Summary
3
3. Workload Profiling and Sizing
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3. Workload Profiling and Sizing
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Capacity planning guidelines
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Virtual SAN shapes and sizes
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Summary
4
4. Getting Started with VSAN – Installation and Configuration
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4. Getting Started with VSAN – Installation and Configuration
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Key concepts
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Prerequisite checklist
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Installation workflow
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Hardware specifications
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Server node
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Cluster layout
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Network layout
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Setting up a VSAN cluster
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VSAN ready nodes – installation
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Summary
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5. Truly Software-defined, Policy-based Management
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5. Truly Software-defined, Policy-based Management
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Why do we need policies?
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Summary
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6. Architecture Overview
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6. Architecture Overview
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Why such an architecture?
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Anatomy of I/O
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Objects, components, and witnesses
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Internal building blocks of VSAN
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VSAN and high availability
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Summary
7
7. Design Considerations and Guidelines
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7. Design Considerations and Guidelines
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Network optimizations
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Storage configuration optimizations
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A scale-out design
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Backing up your VSAN workloads
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Summary
8
8. Troubleshooting and Monitoring Utilities for Virtual SAN
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8. Troubleshooting and Monitoring Utilities for Virtual SAN
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Troubleshooting workflow
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Summary
9
9. What's New in VSAN 6.0?
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9. What's New in VSAN 6.0?
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VSAN architecture types
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The new on-disk format
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The fault domain
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JBOD support
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Serviceability improvements
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Scalability
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Summary
10
Index
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Index

The new on-disk format

The first generation of VSAN used the VMFS-L (v1) filesystem, which is a modified version of VMFS. With the second generation of VSAN, there is a new on-disk format called VSAN File System (VSANFS). This new filesystem significantly enhances snapshot scalability and clone management support. VSAN 6.0 supports both the v1 and v2 filesystem types. However, to uncover the newer features and enhancements, the filesystem from a vSphere 5.5 deployment needs to be upgraded.

If the cluster is created from scratch on vSphere 6.0, the new filesystem is automatically used.

Snapshot enhancements

As an outcome of leveraging the new on-disk format, snapshot handling at a filesystem level has been modified. The new snapshot format with VSAN 6.0 is vsanSparse. This effectively replaces vmfsSparse, which has certain basic limitations in terms of performance and scalability. While there are no user-visible manifestations of vsanSparse, administrators can be assured that there is a relative...

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Getting Started with VMware Virtual SAN
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