Stampede3 Status Tuesday 17 June 2025 by David LittrellPublished June 17, 2025 Stampede3 is open for operations with the exception that the $WORK filesystem is not mounted. For more information, see the following:https://tacc.utexas.edu/news/user-updates/107580/
Lonestar6 Status Tuesday 17 June 2025 by David LittrellPublished June 17, 2025 Lonestar6 is open for operations with the exception that the $WORK filesystem is not mounted. For more information, see the following: https://tacc.utexas.edu/news/user-updates/107580/
Vista Status Tuesday 17 June 2025 by David LittrellPublished June 17, 2025 GraceHopper nodes in the gh and gh-dev queues are reserved for large scale benchmarking with Vista's TexaScale, while the gg queue is now open for the general public. Please note that the $WORK file system is currently unavailable due to maintenance.
Frontera Status Tuesday 17 June 2025 by David LittrellPublished June 17, 2025 Frontera is open for operations with the exception that the $WORK filesystem is not mounted. For more information, see the following: https://tacc.utexas.edu/news/user-updates/107580/
Systems and Services Outage Reminder by Mark BrueschkePublished June 12, 2025 Detailed Schedule: https://tacc.utexas.edu/news/user-updates/107580/Beginning 8:00 AM Tuesday (6/17/25), all TACC systems will enter a maintenance period and be entirely unavailable. This will impact: All Production Systems, including Frontera, Lonestar 6, Stampede 3, and VistaPortal Functionality: account/allocation management, job submission, and applications (ex: Jupyter Notebooks) will be disabled across all portals (ex: DesignSafe, TAP)Account creation and modification via accounts.tacc.utexas.edu Allocation creation and modificationFrom Wednesday (6/18/25) through Thursday (6/19/25), certain systems and services will become available but the $WORK file system will still be under maintenance. In order to run jobs at TACC on Wednesday/Thursday you will need to: Copy any files, scripts, or other software necessary for your jobs over to $SCRATCH before 6/17/25Account and allocation services, jobs and apps via user portals, and Jupyter notebooks will remain unavailable during this time.All systems and services will be available again on 6/20/25.
Systems and Services Outage by Mark BrueschkePublished June 12, 2025 Detailed Schedule of Systems and Services OutageStarting Tuesday (6/17/25), TACC will be entering a 2-phase maintenance which will run through Friday (6/19/25). Suggested User Preparation: Copy any files, scripts, or other software you need to run jobs to $SCRATCH before 6/17/25Assume extended wait times once job processing restarts For PIs: Ensure that appropriate users are on your allocation before 6/17/25Phase 16/17/258:00 AM (CDT)All systems and services will be offline and unavailable. This includes: All Production Systems, including Frontera, Lonestar 6, Stampede 3, and VistaPortal Functionality: account/allocation management, job submission, and applications (ex: Jupyter Notebooks) will be disabled across all portals (ex: DesignSafe, TAP)Account creation and modification via accounts.tacc.utexas.edu MFA re-pairing will be available for active accounts onlyAllocation creation and modification8:00 PM The following systems will be back online WITHOUT the $WORK filesystem mounted: Frontera, Lonestar 6, and Stampede 3VistaVista will be running TexaScale jobs at this time and will be unavailable to unscheduled users: https://tacc.utexas.edu/news/user-updates/107578/ Other services and systems will continue to be impactedPhase 26/18/25-6/19/25Admins will continue to perform maintenance on the $WORK filesystem. While certain machines will be back online, jobs can only be run from $SCRATCH. Users will be able to run jobs submitted from $SCRATCH provided that no part of the job references or touches the $WORK filesystem. Any files not previously copied over the $SCRATCH will be entirely inaccessible until the end of the maintenance period. When filesystem maintenance is complete, an announcement will be sent indicating that all systems and services have been restored. Have questions? Contact support here: https://tacc.utexas.edu/portal/tickets
Stockyard Maintenance Outage - June 17-19 by mark brueschkePublished June 10, 2025 Starting June 17th, TACC will be performing routine maintenance on all systems that utilize Stockyard. Please note, as Stockyard is connected to all systems, any and all systems will be impacted by this maintenance outage:FronteraLonestar6Stampede3VistaUpdates on $WORK are expected to take longer than the typical, single day maintenance window. In order to reduce the impact on users, we will be unmounting Stockyard on all systems. All other filesystems will remain available. In order to continue running during this maintenance period, you must migrate all necessary files from $WORK to $SCRATCH.Files and workflows must be moved prior to June 17th. Once the outage begins, Stockyard will be entirely inaccessible until the end of maintenance.Full post about the work being done is here - https://tacc.utexas.edu/news/user-updates/107577/
Vista GH Nodes Unavailable June 17-18, 2025 by Matthew EdekerPublished June 09, 2025 The Grace Hopper nodes in the gh and gh-dev queues will be unavailable after the maintenance on Jun 17 through June 18. These nodes will be reserved for large scale benchmarking while the /work filesystem is unavailable. The queues will be restored when the benchmarking completes. This will be no later than June 19. Please submit any questions you may have via the TACC User Portal. https://tacc.utexas.edu/portal/tickets
Maintenance and Stockyard Outage by Mark BrueschkePublished May 27, 2025 DATE CORRECTION: Stockyard Maintenance will be June 17th - 19th 2025Starting June 17th, TACC will be performing routine maintenance on all systems that utilize Stockyard. Please note, as Stockyard is connected to all systems, any and all systems will be impacted by this maintenance outage:FronteraLonestar6Stampede3VistaUpdates on $WORK are expected to take longer than the typical, single day maintenance window. In order to reduce the impact on users, we will be unmounting Stockyard on all systems. All other filesystems will remain available. In order to continue running during this maintenance period, you must migrate all necessary files from $WORK to $SCRATCH.Files and workflows must be moved prior to June 17th. Once the outage begins, Stockyard will be entirely inaccessible until the end of maintenance.The Stockyard maintenance window will comprise three sections. Details are below.Day one of Stockyard maintenance will commence on June 17, 2025 at 08:00. Any and all systems will be placed into a maintenance window to disconnect $WORK, and Stockyard administrators will begin their tasks. Additional maintenance activities may be performed as well on affected systems. Once $WORK has been disconnected and any additional maintenance finished, said systems should resume operations by 20:00, provided that they're able to function without $WORK being active.Day two of Stockyard maintenance will be ongoing. As production clusters return to production, systems will be fully available except for the /work filesystem.Day three of Stockyard maintenance should be completed. Once confirmed, systems administrators will be notified and $WORK will be mounted across all systems.Once maintenance is complete, users may return to their typical workflows that make use of Stockyard. If maintenance is completed early, an update will be posted at that time.Have questions? Contact support here: https://tacc.utexas.edu/portal/tickets
APPI Summer Institute by Matthew EdekerPublished May 21, 2025 The TACC Summer Institute for Applied Parallel Programming course is coming up on June 2-6, 2025. This is a week long event at TACC intended to provide in-person training and workshops to train researchers and developers on how to most effectively utilize supercomputing for their projects. In this course, we will cover: Parallel computingCUDA programingMPI (beginner and intermediate)MPI with containersOther HPC tolls, as well as hands-on labs using TACC resources. The early bird pricing has been extended by one week so don't miss out!Register here: https://web.cvent.com/event/46ebb23e-7853-478b-a018-6795f83870f0/summaryThe course includes snacks and coffee in the morning, as well as a catered lunch for every class day.
Stockyard Outage by Mark BrueschkePublished May 21, 2025Update The /work filesystem is currently experiencing issues that are affecting jobs on all systems. All queues on all systems have been closed to protect jobs from this issue. Admins continue to work to resolve the issue and an update will be posted as soon as more information is available.
Lonestar6 Emergency Maintenance 6 May 2025 by Mark BrueschkePublished April 30, 2025 Lonestar 6 will not be available from 7:00 AM to 8:00 PM (CDT) on Tuesday, 6 May 2025. System maintenance will be performed during this time.Please submit any questions you may have via the TACC User Portalhttps://tacc.utexas.edu/portal/tickets
Vista NVHPC - version 2024.5 Deprecation by Mark BrueschkePublished April 18, 2025 We would like to inform you that an older version of NVHPC SDK (24.5) currently installed on Vista will be removed in one month as part of our ongoing efforts to maintain system security and performance.Effective Date of Removal: 5/18/2025We recommend that all users transition to the latest version of NVHPC before this date to avoid any disruption to your workflow. Please submit any question you may have through the TACC Consulting System or feedback form. https://tacc.utexas.edu/portal/tickets
Service Outage Tuesday 8 April 2025 by Matthew EdekerPublished April 08, 2025Update We are currently investigating a DNS-related network issue that is affecting service availability. At this time, all services are down. Our team is actively working on identifying and resolving the issue, and we will provide updates as soon as we have more information. Thank you for your patience.
Change in Account Policy by Matthew EdekerPublished April 08, 2025Update Beginning April 10th, all users will be required to have MFA paired in order to activate an account. This will replace the need to pass an IDP check and streamline the registration process. If you have an existing, active account, this will not impact you at this time. In addition to this change, MFA modifications will now be managed in https://accounts.tacc.utexas.edu.If you have any questions, please reach out to the Helpdesk here: https://tacc.utexas.edu/portal/tickets
Frontera Texascale Days April 2025 Frontera Texascale Days April 21-25, 2025 by Remy ScottPublished April 01, 2025Update Frontera Texascale Days April 2025Texascale Days allows participating researchers the space and time to compute some of their biggest data and consult with our experts on benchmarking and optimizations. During this event, we reserve Frontera for large scale runs using half of the system (3500 - 4096 nodes) or the full system (7000 - 8192 nodes) for participants.The event is beginning April 21, 2025.Want to Participate?To be eligible to participate in Texascale Days April 2025, your large-scale workflow must have already successfully run on at least 1,024 nodes in the "large" queue on Frontera.For access to the Frontera "large" queue, please submit a ticket with scaling data.To request to participate, please fill out and submit the application below by 17:00 CDT April 15.Beginning Monday, April 21, Frontera will be reserved for Texascale Days production runs. On these days, each project will have dedicated access to the number of nodes requested for a 24 hour period starting at 10:00 CDT.On Friday, April 25, two-hour blocks will be available for large-scale benchmarking efforts.Please submit your request to run during Texascale Days April 2025 using this submission form.
Vista Maintenance Tuesday 18 March 2025 by Alex FerrierPublished March 04, 2025Update Vista will not be available from 07:00 AM to 08:00 PM (CDT) on Tuesday, 18 March 2025. System maintenance will be performed during this time.Please submit any questions you may have via the TACC User Portal: https://tacc.utexas.edu/portal/tickets
Ranch Status 21 February 2025 by Mark BrueschkePublished February 21, 2025Update A short maintenance outage on Ranch will start at 3:30 PM CST and will take about two hours. Please refer to this update for future announcements on any developments as we work to restore the filesystem.Please submit any questions you may have via the TACC User Portal: https://tacc.utexas.edu/portal/tickets
/work Filesystem Status Thursday 13 by Matthew EdekerPublished February 13, 2025Update The /work filesystem, which is mounted across all machines, is currently experiencing instability. Users may see slow or interrupted I/O during jobs. In particular, any users who are dependent on the /work filesystem for their conda settings are likely to be impacted. It is recommended to review your workflows, especially on the login nodes, to reduce dependence on /work temporarily. Admins are continuing to investigate the issue, and an update will be posted when the problem is resolved.
Stampede3 Maintenance Tuesday 25 February by Mark BrueschkePublished February 12, 2025Update Stampede3 will not be available from 7:00 AM to 8:00 PM (CST) on Tuesday, 25 February 2025. System maintenance will be performed during this time.
Network Maintenance Wednesday 26 February by Mark BrueschkePublished February 07, 2025 TACC network infrastructure will not be available from 6:00AM to 7:00AM (CST) on Wednesday, February 26 2025. Network maintenance will be performed during this time
Network Maintenance Wednesday 19 February by Mark BrueschkePublished February 07, 2025 TACC network infrastructure will not be available from 6:00AM to 7:00AM (CDT) on Wednesday, February 19 2025. Network maintenance will be performed during this time.
Vista Maintenance Tuesday 18 February 2025 by mark brueschkePublished January 15, 2025Update Vista will not be available from 07:00 AM to 08:00 PM (CST) onTuesday, 18 February 2025. System maintenance will be performed duringthis time.
Frontera Status Tuesday 21 January 2025 by Dave LittrellPublished January 13, 2025Update Due to a hardware issue on the disk controller for the shared file system, we have to take the file system offline and troubleshoot the issue. The proposed window is 9AM-5PM CST, but we will put the system back to production as soon as the hardware work is complete.
$WORK Status Monday 30 December 2024 by Matthew EdekerPublished December 30, 2024 We have experienced some issues with $WORK causing a slower response period earlier today, but the issue has since been resolved and the service has been restored. If you have any questions or concerns, please submit a ticket through your TACC User Portal. https://tacc.utexas.edu/portal/tickets