https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation The WebDocumentation web of Foswiki. New Documentation for ARC en-us Copyright 2026 by contributing authors Wiki Administrator [rcsg@utsa.edu] The contributing authors of Foswiki Foswiki https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation https://hpcsupport.utsa.edu/foswiki/bin/../pub/System/ProjectLogos/foswiki-logo.png https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/WebHome : Arc User Guide Arc is the primary High Performance Computing (HPC) system at The University of Texas at San Antonio (UTSA) that can be used for running data in... (last changed by ZhiweiWang) 2026-05-20T21:14:34Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/AboutArcCluster About Arc Cluster Arc is UTSA's primary high performance (HPC) resource; utilized by researchers, students, faculty and staff from a broad range of disciplines. C... (last changed by ZhiweiWang) 2026-05-20T20:42:50Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/DesigningAndRunningParallelPrograms Importance of Parallel Programming High Performance Computing (HPC) systems — such as Arc — are clusters composed of many interconnected nodes, each equipped with... (last changed by ZhiweiWang) 2025-10-31T16:03:39Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/LoggingIntoARC Logging Into Arc from a Linux or Mac Desktop/Laptop You can connect to Arc using your myUTSA ID (abc123) and an SSH client or terminal. Two factor authentication ... (last changed by ZhiweiWang) 2025-10-09T18:37:19Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/MonitoringBatchJobs Managing submitted batch jobs on Arc involves monitoring, controlling, and troubleshooting your jobs using Slurm commands. Below is a concise guide on how to do ... (last changed by ZhiweiWang) 2025-10-08T20:39:38Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/RunningApplicationsInteractivelyAndSubmittingBatchJobs Running Applications Interactively Running applications interactively on Arc allows you to test, debug, or run graphical or command line programs directly on a co... (last changed by ZhiweiWang) 2025-10-08T16:17:54Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/MigratingDataToArc Migrating Data From Arc to the Isilon archival storage The Isilon storage system serves as secondary, archival storage for research data. It is accessible from bo... (last changed by AdminUser) 2025-10-07T15:50:25Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/ApplicationCheckpointingAndRestartOnArc Checkpointing is the process of saving the execution state of an application such that this saved state can be used to continue the execution at a later time. Typ... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/FOSWikiVersion-LoggingIntoArcAndSubmittingJobs Table of Contents LOGGING INTO ARC. 1 ACCESSING COMPUTE NODES ON ARC. 1 RUNNING JOBS INTERACTIVELY WITH THE SRUN COMMAND.. 3 SUBMITTING BATCH JOBS WITH THE SBATCH... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/GettingHelp Getting Help Submit a Service Request Follow this link to access your ServiceNow portal. At the homepage, select the Research tile and select the category for ... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/PythonDependencyJob If you have a Python script that is expected to run more than 72 hours on Arc, we suggest you break it into a few smaller tasks, so that each of the tasks runs le... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/PythonVMsInAnaconda If you need to install your own programs/modules in python you can do it via creating vms. Some programs may need specific versions of modules to work correctly a... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/SavingTheRLibrariesInWorkDirectory The base R package is provided on Arc via modules on the compute nodes. First, start an interactive session on a compute node by tpying: srun p compute1 n 1 t ... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/SoftwareAvailable Pasted below is the list of software packages that are available on Arc (as of August 23, 2021) through system wide modules. This list will likely change over tim... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/TechSupport Technical Support * For technical support, you can submit a support request for Arc at the following link: https://support.utsa.edu/myportal. Instructions for ... (last changed by AdminUser) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/UsingContainersOnArc Singularity is available on Arc for running containerized applications that have images built using Docker or Singularity. Users can access the software via the m... (last changed by AdminUser) 2024-10-28T21:35:24Z admin