Virtualization Pro:

March, 2009

March 25, 2009  3:33 PM

Where are all the vExperts?

Eric Siebert Eric Siebert Profile: Eric Siebert

March 24, 2009  6:14 PM

VMware HA failure got you down?

Texiwill Edward Haletky Profile: Texiwill

Consider yourself lucky if you've never gotten the VMware HA message: An error occurred during configuration of the HA Agent on the host. But if you have, you may know that the ways to fix the error are extremely limited. Here is a method that worked for me. Current...

March 24, 2009  5:54 PM

Log file locations in VMware Infrastructure 3

Eric Siebert Eric Siebert Profile: Eric Siebert

Whenever I am troubleshooting a problem with my VMware ESX hosts I find myself frequently having to look up the location of various VMware Infrastructure 3 (VI3) log files. To try and make this easier for myself and others I've decided to put together a list of all the log files that you might use...

March 23, 2009  3:39 PM

My virtualization toolbox

Texiwill Edward Haletky Profile: Texiwill

What comprises a VMware vExpert's virtualization toolbox? I actually think there are several different layers of tools depending on the particular VMware virtualization administrators job role. Mine, for example, has a number of security tools that most people would not normally need, but I do. So...

March 23, 2009  3:16 PM

Troubleshooting mysterious VM resets

Eric Siebert Eric Siebert Profile: Eric Siebert

Have you ever had VMs mysteriously restart and didn't know why? Even after checking the VMs vmware.log file and the event log in vCenter Server, you could find no evidence of the restart or any potential problems. Well, the

March 21, 2009  5:09 PM

Preparing for virtualization PCI security standards

Eric Siebert Eric Siebert Profile: Eric Siebert

This week I went through out annual audit process for the fourth time, and as usual the virtual hosts were mostly ignored. Why? The Payment Card Industry (PCI) security standards have yet to be updated to include the virtualization layer of...

March 19, 2009  2:17 PM

Using custom attributes with vCenter Server

Eric Siebert Eric Siebert Profile: Eric Siebert

In vCenter Server you can display certain views that will show listings of your hosts and virtual machines (VMs). These views are useful for displaying the configuration and status of all your hosts and VMs, and they are also customizable so you can either display or hide predefined columns to...

March 16, 2009  3:35 PM

Hypervisor performance testing

Texiwill Edward Haletky Profile: Texiwill

I read both the Virtualization Review performance testing article and the related commentary with quite a bit of interest. I came across this statement in the article:

The key to...

March 13, 2009  8:02 PM

Fixing VMware “no swap file” VM power-on failures

Eric Siebert Eric Siebert Profile: Eric Siebert

Recently I experienced a VMware HA event in my environment which caused the VMs on the affected hosts to be restarted on other servers. While most of the VMs started OK, there were a few that did not. When I manually tried to start them I received the error "Failed to power on VM - No swap file"...

March 12, 2009  9:10 PM

Visualizing a virtualization project

Eric Siebert Eric Siebert Profile: Eric Siebert

Today I finally bid farewall to a mountain of old server hardware that was the result of a virtualization project. Dozens of old physical servers have been sitting in an old storage room for over a year having all been replaced by just four new virtual hosts. These old servers served well in their...

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