[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-users] Multi headed, Multi user partially virtualized environment - feasible?

Those desktops sound like a large version of the SGI stuff of the 90's!

On Sun, Jul 10, 2011 at 8:44 AM, Simon Hobson <linux@xxxxxxxxxxxxxxxx> wrote:
> Rudi Ahlers wrote:
>> Wow, I honestly didn't know this could actually be done,and sorry for my
>> ignorance in this regard.
> That's understandable - the "PC uniformity" has a lot to answer for, and the
> BIOS limitations even more.
> I suspect what would be needed would be a layer of middleware to act as an
> IO broker/router to match up the right input and output devices with the
> right process. I suspect that in the Linux multi-head projects, it's just
> been done via multiple instances of X, with each X session mapped to a
> specific output display and set of inputs.
> As an aside, I recall when the company I worked for started investing
> heavily in CAD in the late 80's. When I say investing heavily, I mean eye
> watering amounts of cash - we weren't talking desktop workstations here !
> Well actually we were talking desktops - the whole desk WAS the workstation
> ! In a small box in one end was the graphics processor, a big display up
> front, and the top of the 'desk' was a huge digitiser tablet. But, and the
> reason it's topical for the thread, all this was was a graphics terminal -
> it shared a CPU (VAX IIRC) with several other desks. In effect it was a high
> performance vector graphics version of the old "green screen" terminal setup
> on mainframes and minis.
> As I recall there were endless complaints about poor performance, I did hear
> a story that we ran about 10 heads to one processor - while the manufacturer
> recommend a max of 4 :-/
> --
> Simon Hobson
> Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> author Gladys Hobson. Novels - poetry - short stories - ideal as
> Christmas stocking fillers. Some available as e-books.
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users


Never wrestle with a pig. You'll only get dirty and the pig likes it.

Xen-users mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.