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Re: [Xen-users] problem with extra storage via iscsi



On Wed, Aug 27, 2008 at 12:42 PM, Artur Linhart - Linux communication
<AL.LINUX@xxxxxxxxxxx> wrote:
> Hello,
>
>        From my point of view, Tammo is right...
>
> You write:
> Why would performance be better with an extra layer (dom0)?
>
> - because in DomU You can have as far as I know in maximum 100MBit network
> device, in Dom0 You can use the gigabit (or possible 10Gbit - I did not
> tried it) connection without problems, so any network device should have
> then much more better performance if mapped as block device through Dom0...

there's no 'hard' limit of DomU network performance.  but it's usually
much lower than block device performance.



-- 
Javier

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