If I use

#SBATCH -N 1-1
#SBATCH -c 2  the job starts and uses

NumNodes=1 NumCPUs=8 CPUs/Task=2


Eva



On Tue, 23 Sep 2014, Eva Hocks wrote:

>
>
>
>
> slurm Version=14.03:
>
> I am trying to run a simple job with
>
> #SBATCH --nodes=1-1
> #SBATCH --ntasks=2
> #SBATCH --cpus-per-task=1
>
> on a test cluster with 2 nodes both configured:
> CPUAlloc=0 CPUErr=0 CPUTot=8
>
> but whenever I try sbatch it refuses: Requested node configuration is
> not available. The nodes have 8 CPUs configured so why can't I run a 2
> task job on 2 of those CPUs? I can run a 1 task job or if I don't
> include the ntasks I get by default 8 tasks, that works. But I cannot
> specify anything >1 task. sbatch --verbose isn't very helpful. The slurm
> log has:
>
>
> [2014-09-23T14:58:03.834] cons_res: cr_job_test: evaluating job 152 on 3 nodes
> [2014-09-23T14:58:03.834] cons_res: _can_job_run_on_node: 8 cpus on 
> hpc-0-4(1), mem 0/24151
> [2014-09-23T14:58:03.834] cons_res: _can_job_run_on_node: 8 cpus on 
> hpc-0-5(0), mem 0/24151
> [2014-09-23T14:58:03.834] cons_res: _can_job_run_on_node: 8 cpus on 
> hpc-0-6(1), mem 0/24151
> [2014-09-23T14:58:03.834] cons_res: eval_nodes:0 consec c=24 n=3 b=0 e=2 r=-1
> [2014-09-23T14:58:03.834] cons_res: cr_job_test: test 0 fail: insufficient 
> resources
> [2014-09-23T14:58:03.834] no job_resources info for job 152 rc=-1
> [2014-09-23T14:58:03.834] _pick_best_nodes: job 152 never runnable
> [2014-09-23T14:58:03.835] _slurm_rpc_submit_batch_job: Requested node 
> configuration is not available
>
>
>
> and scontrol shows the job with
> JobState=FAILED Reason=BadConstraints
> NumNodes=1 NumCPUs=2 CPUs/Task=1
>
>
> BTW mysql is running and I can with no problem connect to the server
> manually.
>
>
> Any insight how to run a 1 node/2CPU job in slurm?
>
>
> Thanks
> Eva
>

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