Accessing VMWare logs
You can see ESX logs:
- From the Service Console
- From the vSphere Client connected directly to the ESX host (click Home > Administration > System Logs)
- From the VMware Infrastructure Client connected directly to the ESX host (click Administration > System Logs)
The vmkernel logs (which log everything related to the kernel/core of the ESX) are located at /var/log/vmkernel.
The vmkwarning logs (which log warnings from the vmkernel) are located at /var/log/vmkwarning.
The vmksummary logs (which provide a summary of system activities such as uptime, downtime, reasons for downtime) are located at /var/log/vmksummary.
The hostd log (which is the log of the ESX management service of the ESX) are located at /var/log/vmware/hostd.log.
The messages log (which log activity on the Service Console operating system) is located at /var/log/messages.
The VirtualCenter Agent log is located at /var/log/vmware/vmware/vpx/vpxa.log.
The Automatic Availability Manager (AAM) logs are located at /var/log/vmware/aam/vmware_<hostname>-xxx.log.
The SW iSCSI logs are located at /var/log/vmkiscsid.log.
The System boot log is located at /var/log/boot-logs/sysboot.log.
More complete information available at: http://searchvmware.techtarget.com/tip/Manipulating-VMware-log-file-space-via-log-file-rotation-settings