thanks.  i will look at netbsd 4
my web server is running as cooperative linux vm on top of XP with 64M 
RAM at the moment, and it seems quite happy.  Linux and BSD don't need 
much RAM provided that no x server is running
anyway the point is to play with it more than anything else

regards, Philip

Matthias Scheler wrote:
> On Sat, Feb 10, 2007 at 09:34:48AM +0000, Philip wrote:
>   
>> This is disappointing news.
>>     
>
> The good news is that NetBSD 4.0_BETA2 support running as Xen3 dom0.
>
>   
>> If I want to run Xen on an old Pentium 3 733Mhz with 512M RAM ...
>>     
>
> 512MB is not much in Xen land.
>
>   
>> ... am I  better off to run Xen2 with NetBSD Dom0 or Xen3 with a Linux Dom0 ?
>>     
>
> You could try NetBSD 4.0_BETA2 as Xen3 Dom0 and NetBSD 3.1 as Xen3 domU.
>
>   
>> The virtual machines will be home mail server, web server, file server 
>> with little load on them.
>>     
>
> Virtual machine*s*? Running several virtual machines in 512MB won't
> allow you to use much memory per domU which could lead to poor
> performance.
>
> 	Kind regards
>
>