Re: [Xen-users] swap size on dom0

[Geoff Kirk <geoff.k@xxxxxxxxxxxxxxxxxxx>]

Nice to know that, my dom0's (dom0_mem=64000) are only PIII's with 512 
ram i must be just lucky i don't use virt-manager i guess. Works just 
fantastic on debian-etch. Of course this is at home and not really 
working very hard.
Geoff

Nico Kadel-Garcia wrote:
> Geoff Kirk wrote:
> > Yes that sound a lot too much. 1st point i would make is to pass 
> > dom0_mem=xxxxx where xxxxx is number of kilobytes to assign to dom0 
> > (not including domU's) 128 megabytes should be more than enough 
> > (xxxxx=128000). 2nd point as a general rule i find its then good to 
> > use same amount of swap space as i have ram in that case would be 128 
> > megabytes. I have heard in the past it used to be suggested 2x ram 
> > for swap but that much is not often needed. In general a dom0 should 
> > not require so much ram because it doesn't as a rule do anything but 
> > serve domU's. 128 megabytes of each should be plenty.
> Alas! The RHEL 5 and thus the CentOS 5 Dom0's fail to run virt-install 
> or virt-manager without at lest 500 Meg of RAM available for Dom0.
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