[Beowulf] Virtualization in head node ?

[Dmitry Zaletnev]

When install CentOS 5.3, you get Xen virtual machine for free, with a nice interface, and in it, modes with internal network and NAT to outside world work simultaneously, witch is not the case of Sun xVM VirtualBox. Never used VMWare because of its value of $189, people say it's a good VM. But whatfor, if there is CentOS 5.3 with Xen, the industry best emulator/VM?
Sincerely,
Dmitry Zaletnev,
Saint-Petersburg, Russia

> Still a newbie in HPC, in the first stages of building a Beowulf cluster (8 nodes). 
> I wonder if anybody out there has used Linux virtual machines in the head node, just to be able to experiment with different configurations & deployments and jump back without much effort if things go bad. Considering (out of experience in desktop) VMWare or Sun Virtualbox. Any hints, comments ?
> David Ramirez
> Grad Student CIS
> Prairie View A&M University, Texas
> -- 
> | David Ramirez Molina
> | davidramirezmolina at gmail.com
> | Houston, Texas - USA
> Ancora Imparo (Aún aprendo) - Michelangelo a los 80 años
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