LSF to SLURM quick reference
This article shows the SLURM equivalent of LSF commands.
The SLURM Scheduler
SLURM (formerly known as Simple Linux Utility for Resource Management or SLURM) is the job scheduler deployed on JASMIN. It allows users to submit, monitor, and control jobs on the CentOS7 LOTUS sub-cluster.
Table 1 Essential LSF/SLURM commands
| LSF | SLURM | Description |
| bsub < script_file | sbatch script_file | Submit a job script to the scheduler |
| bsub command-string | sbatch --wrap="user command string" | Invoke " command string" instead of submitting a job script |
| bqueues | sinfo | Show available scheduling queues |
| bjobs | squeue | List user's pending and running jobs |
Table 2 Job specification
| LSF | SLURM | Description |
| #BSUB | #SBATCH | Scheduler directive |
| -q queue_name | -p queue_name |
Specify the scheduling queue |
| -W hh:mm:ss | --time= hh:mm:ss or -t hh:mm:ss |
Set the maximum runtime limit |
| -We hh:mm:ss | --time-min= hh:mm:ss |
Set an estimated runtime |
| -J job_name | --job-name= jobname |
Specify a name for the job |
| -o filename, -e filename -oo/-eo filename |
--output= filename or -o filename, --error=filename or -e filename The default file name is "slurm-%j.out", where the "%j"is replaced by the job ID For job arrays, the default file name is "slurm-%A_%a.out", "%A" is replaced by the job ID and "%a" with the array index. --open-mode=append|truncate |
Standard job output and error output. Default append. Overwrite job error/output files |
| %J %I |
%j %a |
Job ID for -oo/eo filename Job array index |
| -R "rusage[mem= XXX]" |
--mem= XXX | Memory XXX required for the job. Default units are megabytes |
| -J job_name[index_list] | --array= index (e.g. --array=1-10) |
specify a job array |
| -cwd directory | -D, --chdir=<directory> | |
| -x | --exclusive | Exclusive execution mode |
| -P project | -A project | Charge resources used by this job to the specified |
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Table 3 Job control commands
| LSF | SLURM | Description |
| bkill jobid | scancel jobid | Kill a job |
| bjobs -l jobid | scontrol show job jobid | Show details job
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| bmod jobid | scontrol update job jobid | Modify a pending job |
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Table 4 Job environment variables
| LSF | SLURM | Description |
| $LSB_JOBID | $SLURM_JOBID | Job identifier number |
| $LSB_JOBID |
$SLURM_ARRAY_JOB_ID | Job array |
| $LSB_JOBINDEX | $SLURM_ARRAY_TASK_ID | Job array index |
| $LSB_JOBINDEX_END | $SLURM_ARRAY_TASK_MAX | Last index number within a job array |
| $LSB_MAX_NUM_PROCESSORS | $SLURM_NTASKS | Number of processors allocated |
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