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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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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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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 | 8 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
Posted by tvoellm | 6 Comments
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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
Posted by tvoellm | 0 Comments
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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
Posted by tvoellm | 2 Comments
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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 | 8 Comments
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Wednesday, December 12, 2007 6:53 AM

Hyper-V: How to get the most from your virtualized disk performance

There are two types of disk controllers that Hyper-V supports: SCSI and IDE. There are two IDE controllers and four SCSI controllers available. Each IDE controller can have two devices. You can not boot from a SCSI controller. This means an IDE disk will
Posted by tvoellm | 10 Comments
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Thursday, December 06, 2007 6:21 PM

Windows Hyper-V Beta what's that ??? (Updated 12/13/2007)

Windows Hyper-V was previously called "Windows Server Virtualization" and shipped in the Windows Beta as a prerelease. Now Hyper-V Beta (different name same cool product) is shipping with the latest Windows RC bits. Get it here http://www.microsoft.com/downloads/details.aspx?FamilyId=8F22F69E-D1AF-49F0-8236-2B742B354919&displaylang=en
Posted by tvoellm | 13 Comments
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Saturday, October 13, 2007 4:10 AM

Which Windows Server Virtualization 08 (code named Viridian) storage is best for you?

If you have had a chance to play around with our prerelease bits you might be wondering what all the types of storage are. You might also be wondering how to decide which storage is right for your virtual machine (VM). One question I'll address in a future
Posted by tvoellm | 8 Comments
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Friday, September 28, 2007 4:31 AM

What you need to know about Windows Server Virtualization O8 (code named Viridian) Snapshot Performance

First let my say how happy I am to have real bits in your hands. The next generation virtualization product from Microsoft has just shipped with the Windows Server 2008 RC0 (not the final product but getting close). Check out this blog for some external
Posted by tvoellm | 3 Comments
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