Slurm: Usage guide for HPC Job Scheduler

Last updated: October 27, 2021

Administrative commands

Change the state of node02:

scontrol update nodename=node02 state=resume

Show partitions, nodes

scontrol show partition
scontrol show nodes

Run one task on a given partition with 3 nodes
```
srun --nodes=3 --partition=cluster hostname
```
Run one task on a specific node list
```
srun --nodelist=node01,node02 hostname
```
Run multiple task on a single node
```
srun --ntasks-per-node=4 hostname
```
Submit a batch job
```
sbatch submit.job
```

Contents of of the submit.job

#!/bin/bash
#SBATCH --nodes=2
#SBATCH --ntasks-per-node=4
#SBATCH --partition=cluster

cd $SLURM_SUBMIT_DIR

srun echo "Hello, World!"

Last update: March 9, 2022