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xen-users
Re: [Xen-users] Best practice for Dom0
- 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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