Re: [Xen-users] Looking for tips: building a workstation around Xen and GPU pass-through

[Todd Deshane <todd.deshane@xxxxxxx>]

2011/5/17 "Mgr. Šimon Tóth" <toth@xxxxxxxxxx>:
> I'm building my new home machine right now and as usual this will be a
> heavily overloaded workstation that will serve as development and
> testing machine, file server and game console (plus I'm adding TV cards
> and multimedia streaming for my home network).
>
> Since these use cases work against each other (file server is
> unavailable when the machine is used as game console), I'm heavily
> considering the use of Xen to provide everything at once. Performance
> shouldn't be an issue in general, but the game console use case
> definitely requires direct access to a GPU.
>

Some information here:
http://wiki.xensource.com/xenwiki/XenVGAPassthrough

> Therefore I have several questions:
>
> - is this feasible in general?
> - is the GPU passthrough usable enough with non-server GPUs?
> - when buying, what technologies should I look for on the motherboard
>  (most likely choosing Gigabyte + Intel CPU again)
> - is there some virtualization technology creeping on the horizon that
>  is worth waiting for?
> - how good is Xen at dividing resources?
>  - the file-server and multimedia-streaming portion of the workstation
>    has to work even if the game console part is eating 100% of its
>    resources and vice-versa
> - the system will run on top of 8 disks with software Raid6 and LVM,
>  should I buy a dedicated disk for the game console portion of
>  the system?
>  - I have read about some problem with Xen and I/O performance
>
> Any input will be greatly appreciated.
>
> --
> Mgr. Simon Toth
>
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>



-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html
http://runningxen.com/

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