Legacy-Lawrence Migration

This article was created for users transitioning from Legacy to Lawrence during the migration process. Many new and exciting features await on the new Lawrence USD cluster including improved job management, ease of software installation (through modules), and hardwear to push the boundaries of your research computing experience. Below you will find a guide for transitioning to this new environment. More detailed information is also available in the Lawrence specific documentation.

Job Management: SGE to Slurm

The new Lawrence cluster uses Slurm for job management (on Legacy job management is completed with Sun Grid Engine). Below, you will find a table comparing basic command usage between Grid Engine and Slurm:

Command

Sun Grid Engine (Legacy)

Slurm (Lawrence)

Interactive login

qlogin

srun --pty bash

Job submission

qsub [scirpt_file]

sbatch [script_file]

Job deletion

qdel [job_id]

scancel [job_id]

Job status by job

qstat -u \* [-j job_id]

squeue [job_id]

Job status by user

qstat [-u username]

squeue -u [user_name]

List queue

qconf -sql

squeue

Cluster status

qhost -q

sinfo

GUI

qmon

sview

For more detailed information on Slurm commands visit the Slurm webpage.

Transferring Data to Lawrence from Legacy

The data in a home directory on Legacy may be transferred to Lawrence using the rsync utility. More details can be found on the Rsync webpage.

For example, to copy the directory called data/ from Legacy to Lawrence use a command like the following - don't forget the colon at the end.

[[email protected] ~]$ rsync -az data [email protected]:

Warning: Permanently added 'lawrence.usd.edu' (RSA) to the list of known hosts.

[[email protected] ~]$