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Running multiple virtual machines on one VMDK

Eric Sloof - NTPRO.NL

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Saturday, 22 December 2007

Running multiple virtual machines on one VMDK

I was playing around with my VDM2/VDI setup that was still present on my laptop since my VDM2 presentation at the Dutch VMUG. I’m running Workstation 6 and have installed ESX 3.0 as a virtual machine. Within ESX 3.0 I created one base Windows XP virtual machine and added two empty virtual machines without a virtual disk. Since I created a small VMFS  I placed the Windows XP virtual machine in snapshot mode and added the virtual disk from this virtual machine as an existing disk to the other two virtual machines. I added the base disk as an independed nonpersistent virtual disk so the changes of my shadow virtual machines are discarded when I power off or revert to a snapshot. Besides an IP address conflict all three machines are running fine. In the images you can see the snapshot file and the REDO files of my shadow virtual machines. This technique could same me a lot of VDI-VMDK disk space in the first place, but what about the Windows XP license, it’s only installed once...... 

 

 

Posted by
Eric Sloof
in VMware at 15:26 | 1 Comment | No Trackbacks
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I'm not so sure about your remark on the license: "what about the Windows XP license, it’s only installed once....". Not sure if it holds water. After all (AFAIK) it is not the number of installs that counts, but the number of instances of the OS you are concurrently running. I'm not going to complicate things here with the "activation" issue. (Compare it to a book. Even when you have multiple copies of that book sitting on the shelf, you can only read one of them at the time, anyone of them. Unless you are "multitasking" between these books, and even then you can only occupy yourself with one of them at a time. But you *will* have to have bought all of them!) Then again, i *might* be wrong and that has happened before too ;-) Dyslexia "You're *ss will be laminated"
#1 Dyslexia on 2007-12-22 17:01 (Reply)
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