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You arrived at the weblog of Geert Baeke. I am a technology consultant for a company called Xylos (Belgium). I mostly work with Microsoft technologies such as Windows, Active Directory, Exchange, Sharepoint, MSCS, and more. I am also actively busy with VMware's products, focussing on VMware ESX.

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View Article  SCVMM 2008 and VMware integration

I downloaded and installed SCVMM 2008 today and installed it to check out the VMware integration. I created a new virtual machine with Windows Server 2008 x64 with 1,5GB of RAM and started the installation from an attached ISO. When I did that the installation failed during WAIK installation. I copied the WAIK files (from \Prerequisites\WAIK\1033) to the server and installed WAIK from there. I than reran the setup procedure and SCVMM installed fine.

The first thing you do after installation is to add some hosts. This beta of SCVMM 2008 supports the following virtualization hosts:

  • Virtual Server 2005
  • Hyper-V (on Windows Server 2008)
  • VMware VI3 (with VirtualCenter)

To manage ESX you need to add a VirtualCenter server. SCVMM cannot connect to ESX servers directly. The result (click to enlarge):

image

In the screenshot above at the right, you'll see an action called Add VMware VirtualCenter. That action launches a wizard that asks you for the name of your VirtualCenter box and your credentials. Upon completion, the wizard adds folders to SCVMM for each VMware datacenter object and then adds the ESX boxes.

If you look at the screenshot further, the Summary tab shows some information about the ESX host like CPU, memory, storage and the virtual machines on the host. The Storage and Networking tab shows the following info:

image

When you click on the Virtual Machines button and select the ESX host you get a list of virtual machines:

image

From that list you can do what's expected: stop, start, suspend, modify the virtual machine settings, VMotion, etc... You can also connect to the console of virtual machines. The first time you do this you need to install an ActiveX control. The console looks like this:

image

That's all I have time for today. Next I will check out how SCVMM works with ISOs and virtual machine templates and how that ties in with VirtualCenter. I will report those findings later.

View Article  ESX Server, IP Storage and Jumbo Frames

Scott Lowe has written an interesting post about enabling jumbo frames for VMware's software iSCSI initiator. VMware does not support this (yet) but it appears you can already enable it. For full details, check his blogpost.

A jumbo frame's size is typically set at 9000 versus the standard size of around 1500. Setting the frame size (or mtu) to 9000 actually lowers the amount of packet processing (assembly/disassembly) by a factor of six. The overhead for ethernet packets also decreased because you send less frames. In general, you should see a performance increase of around 20 to 30%. Note that you have to enable jumbo frames on all levels of your infrastructure: the ethernet switch, the server and the storage box (e.g. NetApp, EqualLogic, ...).

 

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