Book Image

VMware vSphere Troubleshooting

Book Image

VMware vSphere Troubleshooting

Overview of this book

VMware vSphere is the leading server virtualization platform with consistent management for virtual data centers. It enhances troubleshooting skills to diagnose and resolve day to day problems in your VMware vSphere infrastructure environment. This book will provide you practical hands-on knowledge of using different performance monitoring and troubleshooting tools to manage and troubleshoot the vSphere infrastructure. It begins by introducing systematic approach for troubleshooting different problems and show casing the troubleshooting techniques. You will be able to use the troubleshooting tools to monitor performance, and troubleshoot issues related to Hosts and Virtual Machines. Moving on, you will troubleshoot High Availability, storage I/O control problems, virtual LANS, and iSCSI, NFS, VMFS issues. By the end of this book, you will be able to analyze and solve advanced issues related to vShpere environment such as vcenter certificates, database problems, and different failed state errors.
Table of Contents (16 chapters)
VMware vSphere Troubleshooting
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Installing VMware vRealize Operations Manager
Power CLI - A Basic Reference
Index

vCenter managed hosts


VMware vCenter Server is a centralized management platform that provides extendibility and control of VMware vSphere hosts from a central console. In order to get full functionality, you must use vCenter Server for your vSphere hosts. It will simplify your overall management of the multiple vSphere hosts. In the following table, you can see the VMware vCenter Server management capabilities:

A single vCenter can support up to:

vSphere hosts

1,000

Powered on VMs

10,000

Hosts per cluster

64

VMs per cluster

6,000

In Linked Mode, you can have up to:

vCenter server

10

Powered on VMs

30,000

Hosts per cluster

64

VMs per cluster

8,000

Logging for an inventory service

Logging for an inventory service needs to be configured for a better troubleshooting experience. For this purpose, the logging level of vCenter Server Inventory Service should be set to Trace. Sometimes, when you use the vSphere web client, you cannot see the inventory tree loading in the client...