Book Image

VMware Virtual SAN Cookbook

By : Jeffrey M Ransom Taylor, Patrick Carmichael, Simon Gallagher, Jeffrey Taylor
Book Image

VMware Virtual SAN Cookbook

By: Jeffrey M Ransom Taylor, Patrick Carmichael, Simon Gallagher, Jeffrey Taylor

Overview of this book

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Table of Contents (18 chapters)
VMware Virtual SAN Cookbook
VMware Virtual SAN Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Hardware Selection for Your VSAN Cluster
Hardware Selection for Your VSAN Cluster
Introduction
Using the VMware Compatibility Guides
Selecting a server platform
Selecting a storage controller
Selecting a solid-state drive (SSD) for the cache tier
Selecting capacity tier disks
Deciding on a network standard
Choosing a VSAN Ready Node (an alternative option)
2
Initial Configuration and Validation of Your VSAN Cluster
Initial Configuration and Validation of Your VSAN Cluster
Introduction
Preparing the vCenter cluster for VSAN
Applying VSAN licensing (optional)
Configuring VSAN networking on a new standard switch
Configuring VSAN networking on an existing switch
Enabling SSH on the ESXi hosts (if applicable)
Tagging disks as local solid-state drives (if applicable)
Enabling VSAN on your cluster
Manually claiming disks for use by VSAN (if applicable)
Performing initial validation of the new VSAN cluster
Enabling vSphere HA
3
Storage Policy-based Management
Storage Policy-based Management
Introduction
Creating VM storage policies
Applying storage policies to a new VM or a VM deployed from a template
Applying storage policies to an existing VM migrating to VSAN
Viewing a VM's storage policies and object distribution
Changing storage policies on a VM already residing in VSAN
Modifying existing storage policies
Summary
4
Monitoring VSAN
Monitoring VSAN
Introduction
Examining VSAN datastore health
Examining VSAN disk health
Examining VM object health
Creating VSAN-specific alarms
Examining VSAN resync activity (vSphere 6.0)
5
VSAN Maintenance Operations
VSAN Maintenance Operations
Introduction
Understanding and using VSAN Maintenance Mode
Adding disks to VSAN
Removing disks/disk groups from VSAN
Replacing disks in VSAN in the event of a disk failure
Changing VSAN networking
Permanently decommissioning a VSAN node
Recovering a VSAN cluster in the event that vCenter is lost/migrating a VSAN cluster to a new vCenter server
6
Ruby vSphere Console
Ruby vSphere Console
Introduction
Launching RVC (Windows vCenter)
Launching RVC (Linux vCenter Appliance)
Navigating RVC
The vsan.cluster_info command
The vsan.disks_stats command
The vsan.vm_object_info command
The vsan.vm_perf_stats command
The vsan.resync_dashboard command
7
Troubleshooting VSAN
Troubleshooting VSAN
Introduction
Investigating network partitions (with vSphere Web Client)
Investigating network partitions (without vSphere Web Client)
Investigating storage provider registration problems
Investigating other SPBM problems
Investigating VM provisioning or power-on failures
Investigating disk failures
Investigating VSAN performance with VSAN Observer
8
Support Success
Support Success
Introduction
Formulating a problem description
Formulating a problem summary
Collecting logging information
Collecting other diagnostic information
9
VSAN 6.0
VSAN 6.0
Introduction
Tagging disks as SSDs in vSphere 6.0
VSAN 6.0 fault domains
Upgrading to the VSAN 6.0 on-disk format
Chapter-specific Expansions
Chapter-specific Expansions
Chapter 1 – VSAN Capacity Planning
Chapter 2 – HA requirements for VSAN enablement
Chapter 3A – VSAN-specific storage-policy options
Chapter 3B – VSAN Default Storage Policy
Chapter 6 – vCenter inventory layout in RVC
Additional VSAN Information
Additional VSAN Information
VSAN network considerations
VSAN object distribution
vCenter object distribution view and VM snapshots
Understanding VSAN striping
Per object quorum in VSAN
VSAN synchronous I/O flow
VSAN object resynchronization
VSAN cluster expansion
VSAN rebuild logic and thresholds
RVC scripting and redirects
Third-party utilities
Index
Index

Introduction

The overall operational paradigm of VSAN/vSphere 6.0 is very similar to that of vSphere/VSAN 5.5. While this means that a comfortable understanding of the VSAN 5.5 release will translate directly into implementation and operations in VSAN 6.0, there are some elements specific to VSAN 6.0 that are important to understand. These include new features, such as multi-host fault domains and format upgrades, as well as improved processes related to the initial setup and configuration.

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