On Mon, 27 Apr 2020 14:51:01 +0530 Sudeep Narayan Banerjee <snbaner...@iitgn.ac.in> wrote:
> Dear All, > > I have 360 cpu cores in my cluster; 9 compute nodes with 20core x 2 > sockets each. > > I have slurm.18.08.7 version and have multifactor (fair share) and > backfill enabled. > > I am running jobs with less ntasks_per_node in the script and at some > point all my compute nodes are ALLOC (with overall 300 cores). but > since I have not used all the cores, around around 60 ntasks are > still unused (distributed all over the 9 nodes). > > Question: how can I still submit another job that gets those unused > cores to run? I know the status of all such nodes will be changed in > MIX. so, what options has to be tweaked in slurm.conf file. > > Currently the status shows (Resources) as Reason for not getting in > the scheduler. Start by looking at the difference between --exclusive and not (shared). /Peter K
