CentOS virt - Nov 2007 - New to the list ... Looking for any recommendations inre: VMWare Vs. Xen

I'm new to the CentOS arena and I'm curious as to what virtualization
products are preferred?

The two main ones that I know of are Xen and VMWare.  VMWare seems to be
the most capable inre: number and size of vm's allowed.  When looking at
Xen it appears that since Citrix acquired them the free version is
cripple-ware and is very restrictive.

Thanks in advance for any information.
 
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Robert,

----- "Robert Holtz" <Robert.Holtz at edwardjones.com>
wrote:
> The two main ones that I know of are Xen and VMWare.  VMWare seems to be
the
> most capable inre: number and size of vm's allowed.  When looking at
Xen it
> appears that since Citrix acquired them the free version is cripple-ware
and
> is very restrictive.
Xen virtualization is included as part of CentOS 5.  Xensource's XenServer
Exoress Edition, so far as I can tell, hasn't changed at all since Citrix
took them over - dual-socket with upto 4GB of RAM, and four virtual machines. 
What does XenSource's product have to do with CentOS.

Regarding VMware, are you talking about the free VMware Server or the very
expensive VMware ESX/Infrastructure?  If the former, there is a lot more
overhead with VMware Server when compared to Xen but VMware Server will allow
you to run unmodified OSes... whereas Xen requires VT hardware support in the
CPU to create fully-virtualized aka unmodified OSes.

If you are wanting to run Linux on Linux, I'd recommend you look into OpenVZ
and/or Linux-VServer.

Oh, and while I'm here, I'll plug my recent interview with the
Linux-VServer project leader:

Interview with Linux-VServer Project Leader Herbert P?tzl
http://www.montanalinux.org/linux-vserver-interview.html

TYL,
-- 
Scott Dowdle
704 Church Street
Belgrade, MT 59714
(406)388-0827 [home]
(406)994-3931 [work]