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vCenter Troubleshooting

By : Chuck Mills

4 (3)

vCenter Troubleshooting

4 (3)

By: Chuck Mills

Overview of this book

The book is designed for the competent vCenter administrator or anyone who is responsible for the vSphere environment. It can be used as a guide by vSphere architects and VMware consultants for a successful vSphere solution. You should have good knowledge and an understanding of core elements and applications of the vSphere environment.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. vCenter Upgrades and Migrations

1. vCenter Upgrades and Migrations

Best practices for upgrading to vCenter Server

New and updated information in vSphere 6

Migrating vCenter from SQL Express to SQL Server

Deploying vCenter Server Appliance with no DHCP server

Upgrading from Windows vCenter 5.1 to vCenter Server Appliance

Summary

2. Working with the vCenter Database

2. Working with the vCenter Database

Changing the vCenter database location

Growing the vCenter Server database

Reinitializing the vCenter Server database

Fixing the vCenter Server service and database connection issues

Recovering from an improper shutdown of VCSA

Resolving low and no space problems

Resources for other database issues

Summary

3. Setting Access and Permissions

3. Setting Access and Permissions

Introducing vCenter Single Sign-On

Unlocking and resetting the SSO administrator password

Adding additional Active Directory authentication in vCenter SSO 5.5

Permissions for vCenter and vCenter Operations Manager

Tips for troubleshooting vCenter permissions

Summary

4. Monitoring and Performance Considerations

4. Monitoring and Performance Considerations

Overview of disk I/O performance

Pinpointing the most I/O-intensive virtual machines

Changing Java memory usage for performance

Fixing issues with performance data that do not appear in vCenter

Summary

5. Working with Storage

5. Working with Storage

Deleting virtual machine snapshots that have locked files

Unmounting a LUN from ESXi hosts

Using vCenter operations for troubleshooting storage devices

Summary

6. Solving Some Not-so-common vCenter Issues

6. Solving Some Not-so-common vCenter Issues

Solving the problem of no objects in vCenter

Fixing the VPXD must be stopped to perform this operation message

Removing unwanted plugins in vSphere

Summary

7. Backup and Recovery

7. Backup and Recovery

Procedure for backing up vCenter SSO 5.5

Summary

8. Additional Support Methods and Tools

8. Additional Support Methods and Tools

VMware vCenter Support Assistant

Requirements for the vCenter Support Assistant

Installing and configuring the vCenter Support Assistant

VMware Labs Flings

Finding resources to support your VMware environment

Summary

9. Troubleshooting Methods

9. Troubleshooting Methods

Troubleshooting workflow

Summary

Index

Index

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Troubleshooting workflow

Troubleshooting an issue should follow a workflow process that allows you to discover the cause of problems and then help you decide whether you can fix them on your own, or allow you to gather the information needed by a technical support team that can give you further assistance.

This chapter will not review all the methodologies or try to choose one that is better, but will stress the use of a methodology that helps to put a repeatable process around finding and solving problems in your vSphere environment. This process can be used for most areas of the IT infrastructure, and can also be used to provide any technical support services provided by the vendor or other third-party companies with the information needed to solve the problem.

The following diagram gives an example of a troubleshooting workflow. A description of each component of the workflow will be provided in this chapter.

Troubleshooting workflow

The preceding diagram shows an example of a troubleshooting flow. There are two...

Visually different images

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