Virtualization Pro:

Eric Siebert


December 4, 2008  7:58 PM

How large can virtual machine snapshots grow?



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

On a recent VMTN roundtable podcast the subject of how large a single snapshot can become came up, and whether or not the snapshot can exceed the size of the original virtual machine disk file. I’ve always stated that a...

December 2, 2008  6:23 PM

VMware product name changes: vCenter, View



Posted by: Eric Siebert
Eric Siebert, VirtualCenter, VMFS, VMware, VMware Converter, VMware Desktop Infrastructure, VMware ESX

VMware has just announced that they are changing the names of their current products to the new product names that were announced at VMworld. The biggest changes are that VirtualCenter is now being referred to as vCenter Server and Virtual Desktop Infrastructure (VDI) is now being referred to as...


November 20, 2008  8:41 PM

Antivirus software on the VMware ESX Service Console?



Posted by: Eric Siebert
Eric Siebert, Virtual machine security, Virtualization security, VMware ESX, VMware ESX 3.5

This question is often asked, should I install antivirus (AV) software on the VMware ESX Service Console? If you ask VMware and many seasoned ESX Administrators the answer is usually no. According to VMware’s Security Hardening...

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November 17, 2008  5:22 PM

VMFS volume names: UUID and symbolic



Posted by: Eric Siebert
Eric Siebert, VirtualCenter, VMFS, VMware, VMware ESX, VMware ESXi

If you have ever done a directory listing of your VMFS volumes on a VMware ESX host from the Service Console or using a file browser application like WinSCP you will notice the names of your VMFS volumes but also a number of directories that consist of a long string of numbers and letters as seen...


November 12, 2008  6:06 PM

Configuring single sign-on to log into VirtualCenter



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

Beginning with VirtualCenter 2.5 Update 2, VMware has provided the ability to pass your currently logged-in Windows domain credentials to VirtualCenter using the VMware Infrastructure Client so you no longer have to log in to VirtualCenter separately. To do this you can create a special shortcut...


November 12, 2008  4:55 PM

VMware administrator resources



Posted by: Eric Siebert
Eric Siebert, VI3, VirtualCenter, VMware, VMware ESX

When it comes to finding technical information on VMware products there are a number of obvious sources of information such as the official documentation and books but there are also some not so obvious sources that contain tons of great technical information. VMware's Knowledge...


November 7, 2008  4:33 PM

VMware ESX 3.5 Update 3 released!



Posted by: Eric Siebert
Eric Siebert, VMware ESX, VMware ESX 3.5

The latest version of ESX, Version 3.5 Update 3 has just been released to complement the release of VirtualCenter 2.5 Update 3 that was released a month ago. The new features and supported devices included in this release are listed below. One of the nicest new features is an experimental feature...


November 3, 2008  7:50 PM

How traffic routes between VMs on ESX hosts



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

Understanding virtual machine networking intracacies can be difficult. You might wonder how the network traffic routes between two virtual machines (VMs) that are both located on the same host server -- does the traffic go out onto the network at all? The answer implies that by assigning...


October 30, 2008  2:53 PM

Top VMworld 2008 links: Get helpful VMware info here



Posted by: Eric Siebert
Eric Siebert, VMware, VMworld 2008

VMworld 2008 is over, but you can still get useful advice and information from it. Here's my list of must-click VMworld 2008 links. This list offers helpful info for VMware users, whether you attended VMworld or not. It contains webcasts of the two VMware keynotes, live blogging...


October 6, 2008  5:51 PM

VMware fixes VirtualCenter 2 bugs with VirtualCenter Update 3



Posted by: Eric Siebert
Eric Siebert, VI3, VirtualCenter, Virtualization, VMware ESX, VMware High Availability (VMware HA)

On Friday, VMware released the latest version of VirtualCenter, Update 3 (no update 3 for ESX yet). Unlike Update 2 (which contained some great new features), this version is mainly focused on fixing bugs. VMware administrators may be a little leery of installing this update after the time-bomb...


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