VMware Virtual SAN Cookbook电子书

VMware Virtual SAN Cookbook

Table of Contents

VMware Virtual SAN Cookbook

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers, and more

Why subscribe?

Free access for Packt account holders

Instant updates on new Packt books

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Getting ready

How to do it…

How it works…

There's more…

See also

Conventions

Reader feedback

Customer support

Errata

Piracy

Questions

1. Hardware Selection for Your VSAN Cluster

Introduction

Using the VMware Compatibility Guides

Getting ready

How to do it…

Selecting a server platform

Getting ready

How to do it…

There's more…

Selecting a storage controller

Getting ready

How to do it…

There's more…

Selecting a solid-state drive (SSD) for the cache tier

Getting ready

How to do it…

There's more…

See also

Selecting capacity tier disks

Getting ready

How to do it…

There's more…

See also

Deciding on a network standard

Getting ready

How to do it…

See also

Choosing a VSAN Ready Node (an alternative option)

Getting ready

How to do it…

See also

2. Initial Configuration and Validation of Your VSAN Cluster

Introduction

Preparing the vCenter cluster for VSAN

Getting ready

How to do it…

There's more…

See also

Applying VSAN licensing (optional)

Getting ready

How to do it…

How it works…

There's more…

Configuring VSAN networking on a new standard switch

Getting ready

How to do it…

How it works…

There's more…

See also

Configuring VSAN networking on an existing switch

Getting ready

How to do it…

How it works…

There's more…

See also

Enabling SSH on the ESXi hosts (if applicable)

Getting ready

How to do it…

How it works…

Tagging disks as local solid-state drives (if applicable)

Getting ready

How to do it…

How it works…

Enabling VSAN on your cluster

Getting ready

How to do it…

How it works…

There's more…

See also

Manually claiming disks for use by VSAN (if applicable)

Getting ready

How to do it…

How it works…

Performing initial validation of the new VSAN cluster

Getting ready

How to do it…

How it works…

There's more…

See also

Enabling vSphere HA

Getting ready

How to do it…

How it works…

See also

3. Storage Policy-based Management

Introduction

Creating VM storage policies

Getting ready

How to do it…

How it works…

There's more…

See also

Applying storage policies to a new VM or a VM deployed from a template

Getting ready

How to do it…

How it works…

Applying storage policies to an existing VM migrating to VSAN

Getting ready

How to do it…

How it works…

Viewing a VM's storage policies and object distribution

Getting ready

How to do it…

How it works…

There's more…

See also

Changing storage policies on a VM already residing in VSAN

Getting ready

How to do it…

How it works…

There's more…

See also

Modifying existing storage policies

Getting ready

How to do it…

How it works…

There's more…

Summary

4. Monitoring VSAN

Introduction

Examining VSAN datastore health

Getting ready

How to do it…

How it works…

Examining VSAN disk health

Getting ready…

How to do it…

How it works…

Examining VM object health

Getting ready…

How to do it…

How it works…

There's more…

Creating VSAN-specific alarms

Getting ready

How to do it…

How it works…

There's more…

See also

Examining VSAN resync activity (vSphere 6.0)

Getting ready…

How to do it…

How it works…

There's more…

5. VSAN Maintenance Operations

Introduction

Understanding and using VSAN Maintenance Mode

Getting ready

How to do it…

There's more…

See also

Adding disks to VSAN

Getting ready

How to do it…

Expand an existing disk group

How it works…

See also

Removing disks/disk groups from VSAN

Getting ready

How to do it...

How it works…

There's more…

See also

Replacing disks in VSAN in the event of a disk failure

Getting ready

How to do it…

How it works…

Changing VSAN networking

Getting ready

How to do it…

How it works…

Permanently decommissioning a VSAN node

Getting ready

How to do it…

How it works…

Recovering a VSAN cluster in the event that vCenter is lost/migrating a VSAN cluster to a new vCenter server

Getting ready

How to do it…

How it works…

There's more…

6. Ruby vSphere Console

Introduction

Launching RVC (Windows vCenter)

Getting ready

How to do it…

How it works...

There's more…

See also

Launching RVC (Linux vCenter Appliance)

Getting ready

How to do it…

How it works…

There's more…

See also

Navigating RVC

Getting ready

How to do it…

How it works…

The vsan.cluster_info command

Getting ready

How to do it…

How it works…

The vsan.disks_stats command

Getting ready

How to do it…

How it works…

The vsan.vm_object_info command

Getting ready

How to do it…

How it works…

There's more…

The vsan.vm_perf_stats command

Getting ready

How to do it…

How it works…

The vsan.resync_dashboard command

Getting ready

How to do it…

How it works…

There's more…

7. Troubleshooting VSAN

Introduction

Investigating network partitions (with vSphere Web Client)

Getting ready

How to do it…

How it works…

Investigating network partitions (without vSphere Web Client)

Getting ready

How to do it…

How it works…

Investigating storage provider registration problems

Getting ready

How to do it…

How it works…

Investigating other SPBM problems

Getting ready

How to do it…

How it works…

Investigating VM provisioning or power-on failures

Getting ready

How to do it…

Out-of-space failures

Availability-related failures

How it works…

There's more…

Investigating disk failures

Getting ready

How to do it…

How it works…

See also

Investigating VSAN performance with VSAN Observer

Getting ready

How to do it…

How it works…

There's more…

See also

8. Support Success

Introduction

Formulating a problem description

Getting ready

How to do it…

How it works …

Formulating a problem summary

Getting ready

How to do it …

How it works…

Collecting logging information

Getting ready

How to do it…

Collecting logs with the vSphere Web Client

Collecting logs with the legacy vSphere Client

Collecting logs via the command line with vm-support

How it works …

Collecting other diagnostic information

Getting ready

How to do it…

Collecting VSAN support information (Linux RVC)

Collecting VSAN support information (Windows RVC)

Collecting VSAN Observer Data

How it works…

9. VSAN 6.0

Introduction

Tagging disks as SSDs in vSphere 6.0

Getting ready

How to do it…

How it works…

VSAN 6.0 fault domains

Getting ready

How to do it…

How it works...

Upgrading to the VSAN 6.0 on-disk format

Getting ready

How to do it…

How it works…

A. Chapter-specific Expansions

Chapter 1 – VSAN Capacity Planning

Best-practice limits to space consumption

Data working set size and capacity-tier sizing

Cluster symmetry

Other considerations

Chapter 2 – HA requirements for VSAN enablement

HA behavior in non-VSAN clusters

HA behavior in VSAN clusters

The benefits of moving HA to the VSAN network

Chapter 3A – VSAN-specific storage-policy options

Number of failures to tolerate

Limitations

Number of disk stripes per object

Limitations

Object space reservation

Limitations

Force provisioning

Limitations

Flash read cache reservation

Limitations

Chapter 3B – VSAN Default Storage Policy

Chapter 6 – vCenter inventory layout in RVC

B. Additional VSAN Information

VSAN network considerations

Uplinks

Link speed

Link Aggregation

The role of multicast

The role of unicast

Jumbo frames

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

Adding a node to the VSAN cluster

Node addition and auto-claim

Rebalancing after node addition

VSAN rebuild logic and thresholds

VSAN object rebuilds due to a disk fault or failure

VSAN object rebuilds due to extended outage

VSAN object rebuilds during maintenance

RVC scripting and redirects

Executing RVC operations as a single command

Redirecting RVC output to a file

Avoiding the use of plain-text passwords in the RVC command

Third-party utilities

Utilities for HP SmartArray controllers

Utilities for LSI/Avago-based controllers

Index