[slurm-users] About x11 support

[Goetz, Patrick G]

I'm a little confused about how this would work.  For example, where 
does slurmctld run?  And if on each submit host, why aren't the control 
daemons stepping all over each other?

On 11/22/18 6:38 AM, Stu Midgley wrote:
> indeed.
> 
> All our workstations are submit hosts and in the queue, so people can 
> run jobs on their local host if they want.
> 
> We have a GUI tightly integrated with our environment for our staff to 
> submit and monitor their jobs from (they don't have to touch a single 
> job script).
> 
> On Thu, Nov 22, 2018 at 6:28 PM Tina Friedrich 
> <tina.friedrich at it.ox.ac.uk <mailto:tina.friedrich at it.ox.ac.uk>> wrote:
> 
>     I really don't want to start a flaming discussion on this - but I don't
>     think it's an unusual situation. I have, in likewise roughtly 15 years
>     of doing this, not ever worked anywhere where people didn't have a GUI
>     to submit from. It's always been a case of 'Wand to use the cluster?
>     We'll make your workstation a submit host.'
> 
>     I think it's a pretty standard way of handling things it you are an
>     institute that runs their own (maybe small) cluster, especially if the
>     workstations are also managed machine.
> 
>     Tina
> 
>     On 21/11/2018 23:26, Christopher Samuel wrote:
>      > On 22/11/18 5:04 am, Mahmood Naderan wrote:
>      >
>      >> The idea is to have a job manager that find the best node for a
>     newly
>      >> submitted job. If the user has to manually ssh to a node, why one
>      >> should use slurm or any other thing?
>      >
>      > You are in a really really unusual situation - in 15 years I've
>     not come
>      > across a situation before this where a user would have GUI access
>     to a
>      > system that can submit jobs directly to a cluster like you can.
>      >
>      > I'm not sure why Slurm has this restriction but it might be that
>     you can
>      > start up an xterm, change your $DISPLAY to be localhost:0 and see
>     if you
>      > can start an X11 application from that.  It might be that you'll
>     need to
>      > add an xauth cookie for localhost to get that going.
>      >
>      > If it does work then (hopefully) you can use that trick to fire
>     up jobs
>      > with X11 display forwarding.
>      >
>      > All the best,
>      > Chris
> 
> 
> 
> -- 
> Dr Stuart Midgley
> sdm900 at gmail.com <mailto:sdm900 at gmail.com>