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On Tuesday 03 July 2007 15:41, Joseph Mack NA3T wrote:
> On Tue, 3 Jul 2007, Gerry Reno wrote:
>
> > VE's are basically just kernel-based supercharged
> > chroot environments.
>
> So they all see the same NIC (assuming a one NIC box)? If
> you have 4 VE's on the box and each has an httpd running,
> does each need a separate IP to listen on? (the answer has
> to be yes).
each VE has its own primary ip like any hardware box would. i can also assign
multiple ips to virtuals as needed.
>
> If you have 4 CPUS and 3 of the VE's aren't doing a whole
> lot, will the 4th VE be able to schedule its jobs to all the
> CPUs? (again the answer has to be yes).
>
unless i specifically tell a VE to use only 1 or 2 processors, they all have
use of all 4 as the host machine's kernel decides is best. since there is
only the kernel on the host, it decides how the cpus are used by the virtuals
unless like i said i specifically configure cpu usage/limits etc per virtual,
which i have not had a need to do yet. if i should decide to adjust cpu usage
on a particular virtual, i only have to do it on that one, i don't need to
compensate with cpu configuration on all the others.
> Joe
>
> --
> Joseph Mack NA3T EME(B,D), FM05lw North Carolina
> jmack (at) wm7d (dot) net - azimuthal equidistant map
> generator at http://www.wm7d.net/azproj.shtml
> Homepage http://www.austintek.com/ It's GNU/Linux!
>
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--
Rio
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