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Examining logs is an important way for debugging and troubleshooting a system. There are about ten log files in the ESX server for the hostd agent, which listens API calls, with the same naming pattern as hostd-?.log under the /var/log/vmware directory. The hostd-index file has the number of currently used log files.

The log entry has a similar format to that of VC server logs. Following is a quick sample:

[2008-06-21 07:24:40.769 ‘SOAP’ 64834480 trivia] Received soap request from []: checkForUpdates

The log level can be configured in the /etc/vmware/vpxa.cfg file. Just look for a section like the following. The possible levels are the same as those of VC logs: none, error, warning,info, verbose, or trivia, in an order from less to more detailed messages. Read more »

Author: Steve Jin is the author of VMware VI and vSphere SDK (Prentice Hall), creator of VMware vSphere Java API. For future articles, please subscribe to Email or RSS, and follow on Twitter.