Thanks Bhagat for ur quick reply!!!
Just FYI....

I have already tested VMware WS--- and found its
performance very slow.

I never tried other options......But I have configured
a para-virtualized & fully-virtualized guests using
XEN on CentOS-5 and found para-vitualized guests
working very well compared to fully-virt. guests.

But the problem with para-virt. guests is ...that
theres' NO XEN image available for CentOS 3.4---which
is required for my project ---for Migrating from
single dedicated machines to some 3 High grade Dell
2950 servers hving 32 GB Ram and 1.5 TB of hard
Disk....a combo of Quad-core processors..To save Rack
space & power consumption at our organisations' Data
Centers in San Mateo/Franc.....

I am still finding EASY ways for configuring XEN.....

Thanks
Piyush
Mo: 9891431061

--- Raseel Bhagat <raseelbhagat@...> wrote:

> Hi Piyush
>
> On Sun, 19 Aug 2007 piyush_us2002 wrote :
> >Anybody tell me about Xen installation and
> configuration on CentOS. I
> >want fully virtualized Guest OS. and around 12-13
> guest hosts on
> >single physical machine(having 32 GB RAM).
>
> I have not personally tried Xen, but I use
> VirtualBox (which is a Open source software). It is
> a Vmware clone and works nicely .
> There are binaries available for RHEL 4 & 5 at :
> http://www.virtualbox.org/wiki/Downloads
> So, I'm pretty sure it'll work with CentOS as well.
>
> Another thing that you can do is use Vmware
> workstation for Linux from:
> http://www.vmware.com/download/ws/
>
> I have VT flag enabled
> >processors...so no problem for Fully-virtualized
> guests.
> >
>
> Since your hardware is optimised for virtualization
> as well, you can even try the Linux KVM (Kernel
> Virtual Machine) from :
> http://sourceforge.net/projects/kvm
>
> However, I have not used this one myself and am in
> no position to tell you how good or bad it is.
>
> >Also, please tell me how can i re-image from one
> guest image...as i
> >dont' want to do same process (installing OS and
> all) for 13 hosts.
> >
> If I'm not mistaken, in all the Virtual Machine
> managers, (I know for sure in VirtualBox and
> Vmware), you have an option to "clone" your virtual
> machine so you do not have to do the same process
> over and over again.
>
>
> Do let us know, what you finally chose, why and
> what was the performance you got.
>
> Thanks,
> Raseel
> http://www.opensourcedeal.com
> http://screwgoth.blogspex.com
>
>
>



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