Guide to Managing Independent Software Vendor Licenses¶
On IT4I clusters, there are also installed commercial software applications, also known as ISV (Independent Software Vendor), which are subjects to licensing. The licenses are limited and their usage may be restricted only to some users or user groups.
Currently, Flex License Manager based licensing is supported on the cluster for products ANSYS, Comsol, and MATLAB. More information about the applications can be found in the general software section.
If an ISV application was purchased for educational (research) purposes and also for commercial purposes, then there are always two separate versions maintained and suffix "edu" is used in the name of the non-commercial version.
Overview of the Licenses Usage¶
The overview is generated every minute and is accessible from the web or command line interface.
For each license, there is a table providing the information about the name, number of available (purchased/licensed), number of used and number of free license features.
To check license usage via command line, use the
LicenseChecker module with the
For example, to check usage of Ansys licenses, use:
lmstat -a -c email@example.com
or for a specific module (e.g. HPC):
lmstat -f aa_r_hpc -c firstname.lastname@example.org
To list all Ansys modules, use:
lmstat -i -c email@example.com
For other applications' licenses, change the port number in the command according to the Port column in this list.
License Aware Job Scheduling¶
Salomon and Barbora clusters provide license aware job scheduling.
Selected licenses are accounted and checked by the scheduler of PBS Pro. If you ask for certain licenses, the scheduler won't start the job until the asked licenses are free (available). This prevents batch jobs crashes due to unavailability of the needed licenses.
The general format of the name is
Supported application license features:
|Application||Feature||PBS Pro resource name|
Do not hesitate to ask IT4I support for support of additional license features you want to use in your jobs.
Resource names in PBS Pro are case sensitive.
Example of qsub Statement¶
Run an interactive PBS job with 1 Matlab EDU license:
$ qsub -I -q qprod -A PROJECT_ID -l select=2 -l license__matlab-edu__MATLAB=1
The license is used and accounted only with the real usage of the product. So in this example, the general Matlab is used after Matlab is run by the user and not at the time, when the shell of the interactive job is started. In addition, the Distributed Computing licenses are used at the time, when the user uses the distributed parallel computation in Matlab (e. g. issues pmode start, matlabpool, etc.).