Matthijs's blog

Virtualization tools and stuff. By Matthijs ten Seldam

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  • Blog Post: The Server Virtualization host; not a pimped file and print server

    Designing your virtualization host requires a lot of information; how many VM’s will it host, what are the requirements of each VM, what to reserve for the host, how much resources to include for future needs, etc. At least you need information on the VM requirements meaning you need details like memory...
  • Blog Post: Configuring Kerberos Constrained Delegation for Hyper-V Management

    Managing Hyper-V can be done in several ways; using Hyper-V Manager, using System Center Virtual Machine Manager and, of course, using PowerShell. As a best practice in any management scenario, you manage a service from a remote machine. Whether this is a workstation running Windows 8 or a Remote Desktop...
  • Blog Post: RC2 release of Linux IC’s

    The RC2 release of the Linux IC’s for Hyper-V have been released.  With this release, support for the following guest operating systems has been added: · Red Hat Enterprise Linux (5.2, x86/x64) · Red Hat Enterprise Linux (5.3, x86/x64) · SUSE Linux Enterprise Server 11 (x86/x64) Having support for...
  • Blog Post: Using native PowerShell cmdlets with Hyper-V in Windows Server “8”

    A couple of weeks ago I was asked to present new features of Windows Server “8” to a group of IT pro’s. Up to that time, I did not plan on doing any serious work prior to the availability of the beta. But the beta would not be available for demos so I had to work with the Developer...
  • Blog Post: VMC to Hyper-V migration tool

    Yet another update just before my vacation. I have finalized the tool so it is feature complete, according to my specifications. Below is a screen shot of what it looks like today. The tool now basically covers everything there is you can specify in a Hyper-V vm. Looking at a Virtual Server...
  • Blog Post: Hyper-V is RTW

    Yesterday, June 26th, Hyper-V was officially released to web (RTW). You can find all info on Hyper-V here . For me, this means I will focus more on Hyper-V than on Virtual Server. I will continue to support VMRCplus, but new releases will likely occur in sync with new Virtual Server updates.
  • Blog Post: Deploying Microsoft Hyper-V Server 2008 R2 on USB Flash Drive

    I have shown this at presentations several times now; Hyper-V Server 2008 R2 operating from UFD. People often asked for a copy of the drive or a how-to-guide to make this work. Although totally unsupported, you can now configure a UFD with Hyper-V Server 2008 R2 yourself. See here for full details.  ...
  • Blog Post: VMC to Hyper-V Import Tool Available

    VMC to Hyper-V Import Tool   Now that we have launched the Microsoft Virtualization strategy this Monday, I wanted to release my tool so people could start using it to import their old Virtual Machine configurations. So first of all, what is the VMC to Hyper-V Import Tool and what was it intended...
  • Blog Post: Microsoft Hyper-V VM State to Memory Dump Converter

    In development environments or when debugging a customer issue, it is usually a pain to get a crash dump of an existing VM state. Anton Naumovich from Hyper-V team recently released a tool which can convert a VM saved state to a full memory dump file. This tool enables easier debugging of issues in the...
  • Blog Post: Set-KCD; configuring Kerberos Constrained Delegation (KCD)

      In June I posted an article called Configuring Kerberos Constrained Delegation for Hyper-V Management . I covered the concept of Kerberos delegation and evolution into constrained delegation. Obviously, the article was mainly focused on configuring constrained delegation for Hyper-V management...
  • Blog Post: How many VM’s in a Hyper-V Server 2008 R2 cluster? - Update

    Windows Server 2008 R2 Failover Clustering, which is a standard component of Hyper-V Server 2008 R2, is changing the support statement for the maximum number of Virtual Machines (VM’s) that can be hosted on a failover cluster. Originally it supported a maximum of 64 VM’s per node . As of June 8th 2010...
  • Blog Post: VMC2HV – update for 2008 R2 SP1 available

    Exactly one month after my blog post on the work on the updated version of VMC2HV for Windows Server 2008 R2 SP1, I announce the availability as of today. The tool has several new features, a different UI and many improvements over the previous version. If you want to import your VMC’s from Virtual...
  • Blog Post: Increase VMBus buffer sizes to increase network throughput to guest VMs

    Under load, the default buffer size used the by the virtual switch may provide inadequate buffer and result in packet loss. We recommend increasing the VM bus receive buffer from 1Mb to 2Mb. Read full article here .
  • Blog Post: Live New Parent in Windows Server 2012 Hyper-V

      In several presentations and various documents we mention the feature “Live New Parent”. In all cases we mention the feature in a comparison table. Nowhere do we explain the feature or go into a little bit of detail on what it is. Today I ran into a situation where I used it and thought it was...
  • Blog Post: Hyper-V Resource Kit

    This is not an announcement on the availability of the Hyper-V Resource Kit; it has been available for two months now. But I finally got the time to read the whole book. I was one of the reviewers of the book but as a reviewer you don’t get all chapters for review. If you want to know more about Hyper...
  • Blog Post: Microsoft Contributes Linux Drivers to Linux Community

      REDMOND, Wash., July 20, 2009 — Today, in a break from the ordinary, Microsoft released 20,000 lines of device driver code to the Linux community. The code, which includes three Linux device drivers, has been submitted to the Linux kernel community for inclusion in the Linux tree. The drivers...
  • Blog Post: Hyper-V Component Architecture Poster

    Similar to the Windows Server 2008 R2 feature component poster , the Hyper-V poster is a great visual tool to help in the understanding of the key features and components. It highlights key Hyper-V components including: Architecture Virtual Networking Virtual Machine Snapshots Live Migration Storage...
  • Blog Post: Windows Server 2008 R2 RTM

    Yesterday, July 22nd, Windows 7 and Windows Server 2008 R2 were declared Released To Manufacturing (RTM). You can read more about the Windows 7 announcement at the Windows7 blog here . And more about the Windows Server 2008 R2 announcement here . Regarding the virtualization capabilities in Windows...
  • Blog Post: VMC to Hyper-V import tool - update

    It has been a while since my last post on the tool. It is still being tested within a limited group. However I get many requests for the tool but cannot handle any more. Thanks for all who wanted to volunteer. The tool will be called ‘VMC to Hyper-V import tool’, in short ‘VMC to Hyper-V’. This suggest...
  • Blog Post: Update on the VMC import tool for Hyper-V

    I have made several enhancements to the tool and it is almost feature complete. I have added the capability to import and modify COM port settings, Virtual Machine notes and BIOS settings. The updated tool looks like this:
  • Blog Post: Microsoft and Red Hat Complete Cooperative Technical Support

    This is nothing more than a link to a great post from Mike Neil on our progress with Redhat. There is now cooperative support from both companies when running select applications on either virtualization product, being Hyper-V or KVM. Also a very important piece of the post is the fact that the Microsoft...
  • Blog Post: Virtual Server to Hyper-V tool

    When you have Virtual Server or Virtual PC virtual machines, you can use them in Hyper-V. However, this requires quite some manual steps. For the minimum, you need to attach the virtual hard disk files (.vhd files) to the hard disk drives in Hyper-V. This requires at least creating a VM from the Hyper...
  • Blog Post: Project Virtual Reality Check publishes second phase of results

    In case you missed it last year, PQR and Login Consultants published test results of running Terminal Server workloads on the three major hypervisor platforms: Hyper-V, XenServer and ESX. This week, on Tuesday, they published the second phase of the test results. Again they ran their tests on the latest...
  • Blog Post: How many VM’s in a Hyper-V Server 2008 R2 cluster?

    Hyper-V Server 2008 R2 fully supports clustering. With the addition of enterprise features it has become the ideal virtualization host amongst all Microsoft platform offerings; Windows Server 2008 R2 (Standard, Enterprise, Datacenter), Microsoft Hyper-V Server 2008 R2. A virtualization host supports...