Hello Eva, you must remove the management nodes from the field "Nodes" of the "PartitionName" parameter.
With the slurm.conf file would be easier to write an example, anyway this should work! Regards, Sergio. 2014-09-12 9:06 GMT+02:00 Uwe Sauter <[email protected]>: > > Hi Eva, > > if you don't want to use the controller node for jobs, the easiest way > is to not configure it as node at all. Meaning you don't need a line like > > NodeName=hpc-0-5 RealMemory=.... > > for the controller. > > > A program/user can find out which nodes are allocated by looking into > the environment variables. Try running salloc and then > > $ env | grep SLURM > > Here is an example output: > > SLURM_NODELIST=n523601 > SLURM_NODE_ALIASES=(null) > SLURM_NNODES=1 > SLURM_JOBID=6437 > SLURM_TASKS_PER_NODE=40 > SLURM_JOB_ID=6437 > SLURM_SUBMIT_DIR=/nfs/admins/adm17 > SLURM_JOB_NODELIST=n523601 > SLURM_JOB_CPUS_PER_NODE=40 > SLURM_SUBMIT_HOST=frontend > SLURM_JOB_PARTITION=foo > SLURM_JOB_NUM_NODES=1 > > > > Regards, > > Uwe > > > > Am 12.09.2014 um 00:45 schrieb Eva Hocks: > > > > > > > > I am trying to configure the latest slurm 14.03 and am running into > > problem to prevent slurm from running jobs on the control node. > > > > sinfo shows 3 nodes configure in the slurm.conf: > > active up 2:00:00 1 down* hpc-0-5 > > active up 2:00:00 1 mix hpc-0-4 > > active up 2:00:00 1 idle hpc-0-6 > > > > > > but when I use salloc I end up on the head node > > > > > > $ salloc -N 1 -p active sh > > salloc: Granted job allocation 16 > > sh-4.1$ hostname > > hpcdev-005.sdsc.edu > > > > > > That node is not part of the "active" partition but slurm still uses it. > > How? The allocation btw is for NodeList=hpc-0-4 > > and the user can login to that node without a problem but slurm doesn't > > run the sh on that node for the user. > > > > Also how can a user find out what nodes are allocated without having to > > run the scontrol command? Is there an option in salloc to return the > > host names? > > > > Thanks > > Eva > > > -- *Sergio Iserte Agut, research assistant,* *High Performance Computing & Architecture* *Jaume I University (Castellón, Spain)*
