OT: Best virtual machine server?

[Ugo Bellavance]

Alex Broens wrote:
> On 11/11/2007 10:31 PM, Julian Field wrote:
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>> I've been badly bitten by VMWare, so that's out. No discussion there. 
>> It can't even keep its clock running to time :-(
>>
>> I've used Parallels quite a bit, but not suited to a server 
>> environment, it's a workstation tool.
>>
>> I've used Microsoft Virtual Server quite a bit, well suited to 
>> servers, dead easy to manage, I already have a VM in MVS that I will 
>> need to move to the new physical system. We get it free (as in beer). 
>> Big restriction: only supports 32-bit guests, no 64-bit guests at all :-(
>>
>> Xen?
>> Never used it, have been reading the RedHat docs on it, looks like it 
>> needs a lot of text editing, but there also appears to be 
>> "virt-manager" that does a lot of the hard work for you. I want a 
>> system that is easy to get up and running, and easy to do everything 
>> with the host and the guests without physical access to the host 
>> hardware, once the host is setup.
>> One question: what is the difference between domain0 and the host 
>> physical system?
>>
>> Any others I should be seriously considering?
>>
>> Basically what I'm doing is this: I am often asked to run a service 
>> for someone in a research project that doesn't have (yet) the hardware 
>> they need, and want to borrow a server for a month or two. So I'm 
>> spending some of my toy budget on a cheap 1U Dell server to do this in 
>> an organised way.
>>
>> So I'm looking for your thoughts and advice, as I know some of you use 
>> virtualisation in quite a big way.
> 
> Virtuozzo or its GPL version: OpenVZ do the job for me..

Same for me, but they don't allow to run all OS.  However, 
performance-wise, it rocks!

Ugo