The basic example

This specifies all the steps necessary to create, configure, build, and run a case. The following assumes that $CCSMROOT is /user/ccsmroot.

1. Create a new case named b40.B2000 in the ~/cesm1 directory. Use a present-day control compset at 1-degree resolution on bluefire.

   > cd /user/ccsmroot > create_newcase -case ~/cesm1/b40.B2000 \ -compset B_2000 \ -res 0.9x1.25_gx1v6 \ -mach bluefire

2. Go to the $CASEROOT directory. Edit env_mach_pes.xml if a different pe-layout is desired first. Then configure and build the case.

   > cd ~/cesm1/b40.B2000 > ./configure -case > b40.B200.bluefire.build

3. Create a production test. Go to the test directory. Build the test first, then run the test and check the TestStatus (the first word should be PASS).

   > ./create_production_test > cd ../b40.B2000_ERT > b40.B2000_ERT.bluefire.build > bsub < b40.B2000_ERT.bluefire.test > cat TestStatus

4. Go back to the case directory, set the job to run 12 model months, use an editor to change the time limit in the run file to accommodate a 12-month run, and submit the job.

   > cd ../b40.B2000 > xmlchange -file env_run.xml -id STOP_OPTION -val nmonths > xmlchange -file env_run.xml -id STOP_N -val 12 > # use an editor to change b40.B2000.bluefire.run "#BSUB -W 1:30" to "#BSUB -W 6:00" > bsub < b40.B2000.bluefire.run

5. Make sure the run succeeded.

   > grep "SUCCESSFUL TERMINATION" poe.stdout.*

6. Set it to resubmit itself 10 times so that it will run a total of 11 years (including the initial year), and resubmit the case. (Note that a resubmit will automatically change the run to be a continuation run).

   > xmlchange -file env_run.xml -id RESUBMIT -val 10 > bsub < b40.B2000.bluefire.run