https://www.nas.nasa.gov/hecc/support/kb/160/ https://www.nas.nasa.gov/hecc/support/kb/2_2.html Only principal investigators (PIs) can make allocation requests. If you want to add more hours to your account, contact your PI. For PIs: See Requesting an Allocation. FAQs Wed, 04 Nov 2026 19:48:16 -0800 https://www.nas.nasa.gov/hecc/support/kb/what-should-i-do-when-i-reach-my-quota_398.html When the amount of data in your NAS compute resources home directory or your NAS /nobackup directory exceeds the soft quota, you will receive an email informing you of your current usage and how much grace period remains. It is expected that your... FAQs Tue, 01 Sep 2026 10:55:50 -0700 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-acknowledge-the-use-of-nasa-computing-resources-in-my-publication_543.html When you publish your research based on the use of NAS-provided high-end computing resources, please include the following language in your acknowledgments: High-end computing (HEC) resources supporting this work were provided by the NASA... FAQs Mon, 15 Jun 2026 14:18:02 -0700 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-check-my-quotas_11.html To check the disk quota on your NAS compute resources home directory (or nobackupnfs2 directory), run the quota ‑vs command. To check the file quota on your Lou home directory, run the quota ‑vs command from a Lou front-end system... FAQs Tue, 26 May 2026 18:49:31 -0700 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-find-my-nobackup-(scratch)-directory_401.html To find the /nobackup system that is assigned to you, type: pfe21% ls -ld /nobackup*/your_username In the following example, the output shows that the /nobackupp17 directory is assigned to user zsmith: pfe21% ls -ld /nobackup*/zsmith... FAQs Wed, 31 Dec 2025 16:30:32 -0800 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-profile-my-python-code_641.html To profile a Python application on a NAS system, we recommend using Intel's VTune software package. For information about how to use VTune, see Finding Hotspots in Your Code with the Intel VTune Command-Line Interface. FAQs Thu, 18 Dec 2025 16:17:09 -0800 https://www.nas.nasa.gov/hecc/support/kb/why-wont-my-job-start_380.html A job might not start for one of the following reasons: The queue has reached its maximum run limit Your job is waiting for resources Your mission share has run out The system is going into dedicated time Scheduling is turned off Your job... FAQs Thu, 04 Dec 2025 09:56:11 -0800 https://www.nas.nasa.gov/hecc/support/kb/i-accidentally-deleted-some-files-can-i-get-them-back_12.html Yes, you can recover deleted files if you deleted them from your home directory on the NAS compute resources or Lou. Call NAS User Services at (800) 331-8737 or (650) 604-4444, or send an email to support@nas.nasa.gov with the filenames, paths, and... FAQs Fri, 19 Sep 2025 13:37:28 -0700 https://www.nas.nasa.gov/hecc/support/kb/what-is-mynas_555.html When you sign into the myNAS web portal, you can easily monitor all aspects of your NAS user account activity, including PBS jobs, resource allocations, and usage for the project group IDs (GIDs) you belong to. You can also check for upcoming... FAQs Thu, 15 Dec 2022 18:55:54 -0800 https://www.nas.nasa.gov/hecc/support/kb/when-i-change-my-nas-password-does-it-propagate-to-all-systems_9.html Yes. When you change your password, the new password is propagated to all of the systems in the NAS high-performance computing (HPC) environment, including: All systems within the secure enclave Secure front-end (SFE) systems Secure Unattended... FAQs Thu, 13 May 2021 15:29:03 -0700 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-list-all-of-my-projects-(gids)_15.html You can view the project group IDs (GIDs) that you belong to by logging into the myNAS portal or by running the groups command. The myNAS portal shows all the GIDs you belong to, along with their project names and descriptions, and provides a... FAQs Fri, 16 Feb 2018 12:27:20 -0800 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-find-out-how-many-hours-i-have-used-andor-have-left_3.html To obtain resource usage information about all of the project group IDs (GIDs) that you belong to, you can: Log into the myNAS portal Run the job accounting utilities acct_ytd or acct_query The myNAS portal shows all the GIDs you belong to... FAQs Fri, 16 Feb 2018 12:26:49 -0800 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-transfer-files-tofrom-nas-supercomputers_10.html You can use several methods to transfer files to and from the NAS supercomputers, depending on the size of your files, your system setup, and other considerations. See Remote File Transfer Commands for a list of these methods and how to use them. ... FAQs Fri, 25 Aug 2017 18:30:38 -0700 https://www.nas.nasa.gov/hecc/support/kb/how-can-i-find-out-whether-my-file-is-on-tape-or-disk_14.html On the Lou mass storage system, the Data Migration Facility (DMF) manages disk space by moving unused files to storage on tape. Use the dmls command on Lou to determine whether a file is on tape or disk. The output shows the state of each file.... FAQs Fri, 25 Aug 2017 18:29:44 -0700 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-find-available-software-packages-(pkgsrc)_549.html Software programs on NAS systems are managed as modules or packages. For a list of available modules and packages, see Software on NAS Systems. To learn how to find detailed information about software packages in the pkgsrc collection, see Using... FAQs Fri, 25 Aug 2017 18:28:48 -0700