HP XC System Software User's Guide Version 3.2

Example 5-15 Submitting a Batch Script with the LSF-SLURM External Scheduler Option

$ bsub -n4 -ext "SLURM[nodes=4]" -I ./myscript.sh

Job <79> is submitted to default queue <normal>.

<<Waiting for dispatch ...>>

<<Starting on lsfhost.localdomain>>

Hello world! I'm 0 of 4 on n1

Hello world! I'm 1 of 4 on n2

Hello world! I'm 2 of 4 on n3

Hello world! I'm 3 of 4 on n4

Example 5-16 and Example 5-17 show how the jobs inside the script can be manipulated within

the allocation.

Example 5-16 Submitting a Batch Job Script That Uses a Subset of the Allocation

$ bsub -n4 -ext "SLURM[nodes=4]" -I ./myscript.sh

Job <80> is submitted to default queue <normal>.

<<Waiting for dispatch ...>>

<<Starting on lsfhost.localdomain>>

Hello world! I'm 0 of 2 on n1

Hello world! I'm 1 of 2 on n2

Example 5-17 Submitting a Batch job Script That Uses the srun --overcommit Option

$ bsub -n4 -I ./myscript.sh

Job <81> is submitted to default queue <normal>.

<<Waiting for dispatch ...>>

<<Starting on lsfhost.localdomain>>

Hello world! I'm 0 of 8 on n1

Hello world! I'm 1 of 8 on n1

Hello world! I'm 2 of 8 on n1

Hello world! I'm 3 of 8 on n1

Hello world! I'm 4 of 8 on n2

Hello world! I'm 5 of 8 on n2

Hello world! I'm 6 of 8 on n2

Hello world! I'm 7 of 8 on n2

Example 5-18 shows some of the environment variables that are available in a batch script. The

LSB_HOSTS and LSB_MCPU_HOSTS environment variables are defined in Platform LSF Reference.

The SLURM_JOBID and SLURM_NPROCS environment variables are defined in the SLURM

Reference Manual.

5.4 Submitting a Batch Job or Job Script 61