Re: [OMPI users] excluding hosts

2010-04-06 Thread Ralph Castain
On Apr 6, 2010, at 4:59 PM, David Turner wrote: > Hi Ralph, > >> Are you using a scheduler of some kind? If so, you can add this to your >> default mca param file: > > Yes, we are running torque/moab. > >> orte_allocation_required = 1 >> This will prevent anyone running without having an allo

Re: [OMPI users] excluding hosts

2010-04-06 Thread David Turner
Hi Ralph, Are you using a scheduler of some kind? If so, you can add this to your default mca param file: Yes, we are running torque/moab. orte_allocation_required = 1 This will prevent anyone running without having an allocation. You can also set Ah. An "allocation". Not much info on

Re: [OMPI users] excluding hosts

2010-04-06 Thread Ralph Castain
Hi David Are you using a scheduler of some kind? If so, you can add this to your default mca param file: orte_allocation_required = 1 This will prevent anyone running without having an allocation. You can also set rmaps_base_no_schedule_local = 1 which tells mpirun not to schedule any MPI pro

[OMPI users] excluding hosts

2010-04-06 Thread David Turner
Hi, Our cluster has a handful of login nodes, and then a bunch of compute nodes. OpenMPI is installed in a global file system visible from both sets of nodes. This means users can type "mpirun" from an interactive prompt, and quickly oversubscribe the login node. So, is there a way to explicit