Virtualization Pro:

Eric Siebert


April 14, 2009  8:41 PM

VMware vSphere is coming



Posted by: Eric Siebert
Eric Siebert, ESX, VMware, vSphere

We're just one week away from VMware's big announcement of vSphere, its next generation data center virtualization product. There is much excitement and anticipation of this new release as it is has been almost 3 years since VMware Infrastructure 3 was released. There are many new features in this...

April 9, 2009  3:43 PM

VMware needs stronger marketing



Posted by: Eric Siebert
Eric Siebert, ESX, Virtualization, VMware

I used to wonder if VMware even had a marketing department; in fact, I still do. It seems to me that VMware's products are so good and have such dominance that they really don't need marketing to sell themselves. But today there is much more competition in the virtualization space, and good...


April 2, 2009  5:58 PM

Creating an SSH user account on VMware ESX hosts



Posted by: Eric Siebert
Eric Siebert, SSH, user accounts, VMware ESX

By default, ESX hosts do not allow you to log in to the Service Console using the root user account via SSH. This is done for security purposes as the root account should generally not be used because it is a superuser account. It is possible to enable this by changing a configuration file, but...


April 2, 2009  5:46 PM

VMworld sessions soon available for free



Posted by: Eric Siebert
Eric Siebert, VMware, VMworld

VMware plans to start releasing VMworld 2008 and VMworld Europe 2009 sessions to the general public soon -- for free. Currently only attendees, vExperts and anyone who purchased...


March 25, 2009  3:33 PM

Where are all the vExperts?



Posted by: Eric Siebert
Eric Siebert, vExpert, VMware


March 24, 2009  5:54 PM

Log file locations in VMware Infrastructure 3



Posted by: Eric Siebert
Eric Siebert, ESX, log files, vCenter Server, VMware

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  3:16 PM

Troubleshooting mysterious VM resets



Posted by: Eric Siebert
Eric Siebert, ESX, HA, vCenter Server, VMM, VMware

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



Posted by: Eric Siebert
Eric Siebert, ESX, PCI, Security, VMware

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



Posted by: Eric Siebert
Eric Siebert, vCenter Server, Virtual Machines, VMware

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 13, 2009  8:02 PM

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



Posted by: Eric Siebert
Eric Siebert, ESX, virtual machine, VMware

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"...