Todd Henderson Todd_Henderson at
Wed May 30 11:08:22 PDT 2001

I once built a script for a cluster of workstations where I never new if people would be on them or not that went
out and checked a couple of things, if anyone was physically on it, and if certain programs were running and then
built a list of free machines.  Seems like with some of the tools with scyld, it wouldn't be that hard to see
what machines were being used and which were and script it up to build a p4pg file.  You could create a wrapper
for mpirun or something?  Just a thought.


Art Edwards wrote:

> I want to thank Sean Dilda and Keith Undd for pointing to ways to use a Scyld
> cluster without running jobs on the head node and taking advantage of local
> disk. The remedy for the latter is quite straightforward. However, the use
> of p4pg files is virtually unworkable in a multiuser environment. To avoid
> crowding the head node, each user would have to query all the nodes to find the
> inactive ones, writea prpg file specifying which nodes they want, and deposit it
> on the node they decide will be node0 for their run. The chances for collision
> are finite. In coming releases of Scyld I hope the -nolocal option is activated.
> This is, to my mind, the cleaner way to get off of the head node.
> Art Edwards
> --
> Arthur H. Edwards
> 712 Valencia Dr. NE
> Abq. NM 87108
> (505) 256-0834
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