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Tuesday, July 22, 2008 8:18 PM

BizTalk team releases best practice doc for running on WS08 Hyper-V

Below is a great link on how to get BizTalk 2006 working on top of Hyper-V. It includes practical advice that applies to other servers and roles as well. Check it out... http://msdn.microsoft.com/en-us/library/cc768518.aspx Tony
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Monday, July 14, 2008 5:44 PM

How to get Processor Utilization for Hyper-V via WMI

There are a number of groups building management software (OEMs, Microsoft, …) for Hyper-V which is cool to see. A common ask from these teams has been around reading and computing VM CPU usage. The following is an example of how to compute Hyper-V guest
Posted by tvoellm | 1 Comments
Saturday, June 28, 2008 4:57 PM

WS08 Hyper-V as RTMed!!!!

Wow its been a great ride helping get Hyper-V to perform the way it does. So much so I've not posted in a while. You will see some upcoming posts on performance counters, WMI perf interfaces, and real data (yes now with RTM I can post data). In the meantime
Posted by tvoellm | 1 Comments
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Wednesday, June 18, 2008 7:58 PM

Windows Server Performance 2008 Tuning guide now includes Hyper-V

The Windows Server Performance team has updated teh Window Server 2008 Tuning guide to include Hyper-V. The Hyper-V section provide a lot of recommendations you will find useful. Check it out below... http://blogs.technet.com/winserverperformance/archive/2008/06/17/power-and-hyper-v-are-now-part-of-the-windows-server-2008-tuning-guide.asp
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Wednesday, June 11, 2008 10:46 AM

Why can't I start my VM when there is plenty of free memory?

Issue #1: A number of customers has reported than VM's fail to start when there is plently of memory. The error reported from the Hyper-V manager is displayed below. Here I tried to start a 4GB VM when there was 7+GB free. What's going on? The most common
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Friday, June 06, 2008 4:26 AM

Hyper-V Performance FAQ

Hyper-V Performance FAQ Anthony F Voellm (aka Tony) 6/19/2008 http://blogs.msdn.com/tvoellm Q: What is the recommend configuration for performance testing? A: Here are some simple steps: 1. Be sure to have the latest WS08 Hyper-V build – Hyper-V RC1 which
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Thursday, June 05, 2008 9:40 PM

Negative ping times in Windows VM's - whats up?

Just a quick blog post that might help you resolve an issue that some customers have seen running under Hyper-V VM's. The issue is negative ping times on multi-processor guests. If you see negative ping times in multiprocessor W2k3 guest OSes you might
Posted by tvoellm | 2 Comments
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Monday, May 12, 2008 5:31 AM

Hyper-V Performance Counters – Part four of many – “Hyper-V Hypervisor Virtual Processor” and “Hyper-V Hypervisor Root Virtual Processor” counter set

The “Hyper-V Hypervisor Virtual Processor” and “Hyper-V Hypervisor Root Virtual Processor” counter sets have the same counters. The only difference between the two is the ““Hyper-V Hypervisor Root Virtual Processor” contains counters for only the Root
Posted by tvoellm | 3 Comments
Friday, May 09, 2008 8:51 AM

Hyper-V Performance Counters – Part three of many – “Hyper-V Hypervisor Logical Processors” counter set

This is one of the most important counter set in all of Hyper-V. It is also one of the few counter sets that is not impacted by clock skew ( http://blogs.msdn.com/tvoellm/archive/2008/03/20/hyper-v-clocks-lie.aspx ) Before digging into the counter set
Posted by tvoellm | 1 Comments
Friday, May 09, 2008 7:58 AM

Hyper-V Performance Counters – Part two of many – “Hyper-V Hypervisor” counter set

The “Hyper-V Hypervisor” counter set is a good place to start when looking for overall system information and what is running under Hyper-V. Hyper-V Hypervisor counter set counters: · Logical Processors – These are the number of cores / HT that the hypervisor
Posted by tvoellm | 1 Comments
Sunday, May 04, 2008 6:05 AM

Hyper-V Performance Counters – Part one of many - The overview

[[ ***IF YOU HAVE SPECIFIC QUESTIONS ON PERFORMANCE COUNTERS YOU WANT ANSWERED PLEASE POST A REPLY WITH THE QUESTION***]] In the next few posts I’ll be covering Hyper-V performance counters. There have been a lot of changes from Beta -> RC -> post
Posted by tvoellm | 5 Comments
Thursday, March 20, 2008 12:00 PM

Hyper-V: Clocks lie... which performance counters can you trust?

Many people have asked me how to do performance analysis using Hyper-V. The first thing I always tell them is clocks lie. Lets dig into this a little bit. First some basic concepts. There are two types of partitions that the Hypervisor manages. The root
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Tuesday, March 18, 2008 6:06 PM

Good overview of virtualization

Every now and then I come across articles on virtualization. This one caught my attention because of the amount of technical details. Detail is what I strive for in this blog and I have some good detailed posts on the way. http://it.anandtech.com/IT/showdoc.aspx?i=3263
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Wednesday, January 02, 2008 11:27 PM

Hyper-V: SCSI vs IDE - Do you really need an IDE and SCSI drive for best performance?

Wow... blogging is fun and can really help people understand a topic. Other times it can be a chore when the whole picture is not presented up front. This is just what I did in a previous post http://blogs.msdn.com/tvoellm/archive/2007/12/12/which-is-better-ide-or-scsi-windows-server-virtualization-08-code-name-viridian-controller-performance.aspx
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Wednesday, January 02, 2008 11:09 PM

Hyper-V: Integration Components and Enlightenments

In order to get the most from your VM’s it is good to understand a couple of concepts that can impact the performance and operation of your Virtual Machines. Here are some the concepts I’ll describe below; · Integration Components · Synthetic vs. Emulated
Posted by tvoellm | 6 Comments
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