Re: [Xen-users] Best practice for Dom0

[Rene <forumuser@xxxxxxxxxx>]

What about monitoring on domain0 like an snmp client monitoring all the
guest domains? Wouldn't that be an exellent task for domain0?

It seems such a waste not to use more resources on domain0 ;-)

Thanks,
Rene Kogels

On Thu, 2006-03-16 at 20:27 +0000, M.A. Williamson wrote:
> >- Does it prefer that i use Dom 0 only for Xen Hypervisor ?
> 
> Dom0 doesn't run the hypervisor, it runs *on* the hypervisor; the only 
> difference from other domains is that it's allowed to access your network, 
> disk, graphics devices directly.
> 
> But it's good practice not to run unnecessary services in dom0 - put them 
> in domUs instead. Dom0 has root-equivalent privileges on every domU on the 
> machine.
> 
> >- If yes, how much ram i need to reserv for Dom0  ?
> 
> I think 128Meg is solid for a lot of people, but it varies depending on if 
> you're doing RAM-intensive things in dom0.
> 
> >- Are there a link between amount of ram in Dom0 and number of virtual
> >machine run on this computer ?
> 
> The more RAM you give to dom0, the less RAM is available for other domains. 
> RAM for domUs comes from the host system, not from dom0.
> 
> Cheers,
> Mark
> 
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