In order to analyse log file and resolve issues we need to view the log files, such as vmkernel.log and vmsummary.log using a program such as tail to  end of the log file. The log file will show related related messages, in this example we will examine the vmkernel.log file which will display messages related to … More Logging – Part Five: Analyse and Test Logging Configuration Information

On an ESXi host system there a number of log files that can be used for troubleshooting, which contain configuration and operational errors as well as performance information. Some of the most important ESXi log files are listed as below. In order to view the log file this can be performed at the ESXi shell … More Logging – Part Three: Log Files

Depending on the level of information you require the vCenter Server System to collect you may decide to adjust the logging level option. The logging levels for vCenter Server are as follows: None (Disable Logging) – Turns off logging Error (Errors Only) – Displays only error log entries Warning (Errors and Warnings) – Displays warning … More Logging – Part Two: Configuring vCenter Server Logging Level

Diagnostic information can be generated as a log or diagnostic bundle as generated by vCenter Server system or a diagnostic bundle which contains log files, configuration files and a capture using esxtop generated by vm-support utility on an ESXi host system. The bundle generated will be in the form of a zip or gzip file … More Logging – Part One: Generating vCenter Server and ESXi Log Bundles