The following table can be used as a reference for the basic flags available to the sbatch, salloc, and few other commands. To get a better understanding of the commands and their flags, please use the “man” command while logged into discover.
For more information on sbatch, please refer to the man pages. Use the following command, after you’ve logged onto Discover:
man sbatchor
sbatch -help| Option/Flag | Function |
|---|---|
| -A or –account=account | Specify computational Project under which the job will run and from which the cpu hours will be deducted |
| –begin=date_time | Defer the job to run until the specified date_time |
| -C or –constraint=hasw(or sand) | Request certain type of nodes |
| -d or –dependency=dependlist | Specify job dependencies |
| -D or –workdir=directory | Set the working directory of the batch script before it is executed |
| –export=environment variables | ALL | NONE | Identify which environment variables are propagated to the batch job |
| -J or –job-name=name | Set a job name |
| -N or –nodes=minnodes[-maxnodes] | Request that a minimum of minnodes nodes be allocated |
| -n or –ntasks=number | Request sufficient resources to launch a maximum of number tasks |
| –mem-per-node=#MB or –mem-per-cpu=#MB | Specify minimum memory requirement per node or per CPU |
| –ntasks-per-node=ntasks | Request the maximum ntasks be invoked on each node |
| -o or –output=filename pattern | Specify stdout file |
| -e or –error=filename pattern | Specify stderr file. By default when “-e” is not specified both the stdout and stderr writes into a single file |
| -p or –partition=partition_name | Specify an initial partition for the job |
| -t or –time=time | Set a walltime limit of the job allocation |