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

Chapter 2. Monitoring and Troubleshooting Host and VM Performance

In the previous chapter, you learned some basic troubleshooting skills and performed some vSphere troubleshooting. This chapter extends those skills deeper by using different monitoring tools to observe vSphere performance and identifies any potential problems that can cause bottlenecks in your infrastructure.

The topics covered in this chapter are as follows:

  • Tools for performance monitoring

  • Analyzing the esxtop results

  • Understanding key performance metrics (CPU, memory, network, storage)

  • Using vMA and remote esxtop

  • Analyzing vCenter performance charts

  • Creating charts

  • Configuring metrics

  • Configuring logging level for performance

  • USB attached virtual machines

  • Fault-tolerant virtual machines

The previous chapter thoroughly covered how to collect diagnostic information and different logs from vSphere hosts. Sometimes, the diagnostic information you have collected is not enough to identify the root cause of the problems vSphere hosts are...