ABSTRACT
Fixing problems is often easy. Finding the root cause of the problem is usually more time consuming and difficult. Third party tools can be used such as Iometer and Wireshark to assist in analysis and troubleshooting. These tools can be located at the following URLs:
Iometer:
Wireshark:
At the ESX host level, an ESX administrator can use command line based tools to monitor various metrics. ESX hosts also offer numerous log files that can be reviewed when troubleshooting performance issues. VirtualCenter provides very useful information when diagnosing resource consumption issues. Using the VI Client allows an ESX administrator to quickly analyze ESX host and virtual machine CPU, memory, network I/O and disk I/O. Lets take a look at how to configure VirtualCenter's ability to collect statistical information.
