beautypg.com

HP XC System 3.x Software User Manual

Page 61

background image

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 .
<>
<>
n1
n2
n3
n4
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 .
<>
<>
n1
n2
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 .
<>
<>
n1
n1
n1
n1
n2
n2
n2
n2
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