User News

Stampede2 Maintenance 30 October 2018

Posted by Matthew Edeker on Oct 21, 2018 8:09:26 AM

Stampede2 will be unavailable from 7:30 a.m. to 7:30 p.m. (CT) on Tuesday, 30 October 2018. System maintenance will be performed during this time.   If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when...

Stampede2 will be unavailable from 7:30 a.m. to 7:30 p.m. (CT) on Tuesday, 30 October 2018. System maintenance will be performed during this time.

 

If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when the maintenance is over. The squeue command will report "ReqNodeNotAvailable" ("Required Node Not Available"). The showq utility will list the job as "BLOCKED" and report its status as "WaitNod" ("Waiting for Nodes"). Note that the hours leading up to the maintenance are an excellent time to submit shorter, smaller jobs that can complete before the maintenance begins: as the queues drain there will be many nodes available, and your wait time may be short.

Lonestar5 Extended Maintenance October 14-20

Posted by Sergio Leal on Sep 14, 2018 11:42:38 AM

We will be taking an exceptionally long, one time only maintenance period on Lonestar5 from Sunday, October 14 through Saturday, October 20, 2018. Many of you have likely noticed “old” components in the software stack for Lonestar; unfortunately at this point our only option to update involves...

Updated on Oct 20, 2018 8:07:41 PM

The Lonestar5 maintenance is continuing for longer than anticipated. System administrators are still working to bring up and customize the upgraded operating system, networks, and file systems. With the substantial progress made so far we have forgone our option to revert. Please be on the lookout for new announcements as we approach production status. We appreciate your patience in this substantial undertaking.

Updated on Oct 8, 2018 9:26:09 AM

This is a reminder to the already posted and atypically long maintenance window booked for the dates: Sunday, October 14 through Saturday, October 20, 2018. The full announcement is here: https://portal.tacc.utexas.edu/user-news/-/news/103097. 

Jobs that queue up before the maintenance that can't complete (reported by the scheduler with the following state: ReqNodeNotAvail, UnavailableNodes:nid00[XXX-XXX]) will be removed from the queues at the start of the maintenance.

Updated on Oct 1, 2018 9:28:03 AM

This is a reminder to the already posted and unusually long maintenance window booked for the dates: Sunday, October 14 through Saturday, October 20, 2018. The full announcement is here: https://portal.tacc.utexas.edu/user-news/-/news/103097

The most common question question received so far is which glibc version will exist after the update: GNU libc 2.22


-Thanks for your continued use of TACC Systems.

Original Posting

We will be taking an exceptionally long, one time only maintenance period on Lonestar5 from Sunday, October 14 through Saturday, October 20, 2018. Many of you have likely noticed “old” components in the software stack for Lonestar; unfortunately at this point our only option to update involves essentially reinstalling parts of the core OS from scratch – and the unique nature of the Cray makes this exceptionally time-consuming. 

Please communicate, by submitting a ticket, any major concerns and we'll attempt to find alternative accommodations on other systems if necessary.  Once again, we apologize for this multi-day disruption, and we hope (and have spent the last year working with Cray to ensure) that this is an extraordinary one-time event.

Thanks for your continued use of TACC Systems.

Matlab Server Maintenance 27 September, 2018

Posted by Matthew Edeker on Sep 27, 2018 2:36:57 PM

A maintenance window is scheduled for today, Thursday, September 27th from 5PM - 6PM for the Matlab license server. Matlab on TACC systems may not be accessible during this maintenance

A maintenance window is scheduled for today, Thursday, September 27th from 5PM - 6PM for the Matlab license server. Matlab on TACC systems may not be accessible during this maintenance

TACC Maintenance 23 September, 2018

Posted by Sergio Leal on Sep 18, 2018 3:40:03 PM

Access to all TACC systems will be unavailable from 8:00 AM CDT until 4:00 PM CDT on September 23, 2018 to allow for upgrades to the TACC core network hardware. Jobs will continue to run, but users will have no access to TACC services and systems until the upgrade is complete.

Updated on Sep 23, 2018 12:57:17 PM

Maintenance on listed systems has been completed.  

Original Posting

Access to all TACC systems will be unavailable from 8:00 AM CDT until 4:00 PM CDT on September 23, 2018 to allow for upgrades to the TACC core network hardware. Jobs will continue to run, but users will have no access to TACC services and systems until the upgrade is complete.

Stockyard $WORK status Tuesday, Sep 18 2018

Posted by David Littrell on Sep 18, 2018 5:12:14 PM

The Stockyard $WORK filesystem is currently not available, and administrators are working on it now. We will update when we have an ETA to it being back in production. 

Updated on Sep 18, 2018 6:47:30 PM

The $WORK filesystem is back in production. 

Original Posting

The Stockyard $WORK filesystem is currently not available, and administrators are working on it now. We will update when we have an ETA to it being back in production. 

Stampede2 Maintenance September 11, 2018

Posted by Sergio Leal on Aug 31, 2018 11:26:25 AM

Stampede2 will be unavailable from 8 a.m. to 7:30 p.m. (CT) on Tuesday, 11 September 2018. System maintenance will be performed during this time.   If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when...

Updated on Sep 12, 2018 8:25:40 AM

Stampede2 is back in full production at this time.

Updated on Sep 11, 2018 8:28:58 PM

Today's Stampede2 system maintenance has been extended while TACC staff resolve a filesystem issue.

Original Posting

Stampede2 will be unavailable from 8 a.m. to 7:30 p.m. (CT) on Tuesday, 11 September 2018. System maintenance will be performed during this time.

 

If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when the maintenance is over. The squeue command will report "ReqNodeNotAvailable" ("Required Node Not Available"). The showq utility will list the job as "BLOCKED" and report its status as "WaitNod" ("Waiting for Nodes"). Note that the hours leading up to the maintenance are an excellent time to submit shorter, smaller jobs that can complete before the maintenance begins: as the queues drain there will be many nodes available, and your wait time may be short.

C++ for C Programmers - October 5th, 2018 - 9am to 3pm CT

Posted by Jason Allison on Sep 11, 2018 3:21:57 PM

C++ can be considered as a superset of C, but this view often leads to un-idiomatic C++ programming. In this short course, we both show the new mechanisms of C++, and we explain what C mechanisms, while available, should no longer be used. The first half of this course covers mostly object-oriented...

C++ can be considered as a superset of C, but this view often leads to un-idiomatic C++ programming. In this short course, we both show the new mechanisms of C++, and we explain what C mechanisms, while available, should no longer be used.

The first half of this course covers mostly object-oriented programming and parameter passing with references; the second half covers advanced topics such as smart pointers, exceptions, iterators, lambdas, templates.

This course will be offered to in-person and webcast attendees. Local participants are strongly encouraged to attend in-person. Students are expected to be familiar with C syntax and should bring a laptop for lab exercises.

To register and for more information please visit: https://learn.tacc.utexas.edu/

If you have any questions please contact me at jasona@tacc.utexas.edu

TACC Maintenance 16 September, 2018

Posted by Sergio Leal on Sep 5, 2018 10:28:22 AM

Access to all TACC systems will be unavailable from 8:00 AM CDT until 4:00 PM CDT on September 16, 2018 to allow for upgrades to the TACC core network hardware. Jobs will continue to run, but users will have no access to TACC services and systems until the upgrade is complete.

Updated on Sep 11, 2018 2:57:51 PM

Maintenance Postponed to 23 September, 2018


Due to weather concerns, we are postponing the date of maintenance to the following Sunday, September 23, 2018.  

Original Posting

Access to all TACC systems will be unavailable from 8:00 AM CDT until 4:00 PM CDT on September 16, 2018 to allow for upgrades to the TACC core network hardware. Jobs will continue to run, but users will have no access to TACC services and systems until the upgrade is complete.

Vislab Status Wednesday 5 September 2018

Posted by Jesse Snead on Sep 4, 2018 8:16:48 PM

The POB Vislab will be closed tomorrow, September 5, 2018 for maintenance. We apologize for any inconvenience, and should you like to speak to someone please e-mail asolis@tacc.utexas.edu

The POB Vislab will be closed tomorrow, September 5, 2018 for maintenance. We apologize for any inconvenience, and should you like to speak to someone please e-mail asolis@tacc.utexas.edu

Maverick status September 4, 2018

Posted by David Littrell on Aug 22, 2018 4:07:56 PM

Slurm will be upgraded to version 17.11.5 and will require the scheduler to be disabled for a short time. On Maverick2, power equipment will be replaced. All maintenance will happen between 8 am and noon CST. 

Updated on Sep 4, 2018 3:51:17 PM

Maintenance has been extended to 5pm CST.

Original Posting

Slurm will be upgraded to version 17.11.5 and will require the scheduler to be disabled for a short time. On Maverick2, power equipment will be replaced. All maintenance will happen between 8 am and noon CST. 

Vislab Status Wednesday 29 August 2018

Posted by Sergio Leal on Aug 29, 2018 8:52:40 AM

The TACC POB Vislab on main campus will be closing at noon today, Wednesday, August 29, 2018. The Vislab will reopen at 9 am on Thursday, August 30, 2018.

The TACC POB Vislab on main campus will be closing at noon today, Wednesday, August 29, 2018. The Vislab will reopen at 9 am on Thursday, August 30, 2018.

Stampede2 Maintenance 17 July 2018

Posted by Mitchell Collins-Bailey on Jul 3, 2018 4:00:53 PM

Stampede2 will be unavailable from 8 a.m. to 7:30 p.m. (CT) on Tuesday, 17 July 2018. System maintenance will be performed during this time.   If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when the...

Updated on Jul 17, 2018 7:35:28 PM

Stampede2 is back in full production. 

Original Posting

Stampede2 will be unavailable from 8 a.m. to 7:30 p.m. (CT) on Tuesday, 17 July 2018. System maintenance will be performed during this time.

 

If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when the maintenance is over. The squeue command will report "ReqNodeNotAvailable" ("Required Node Not Available"). The showq utility will list the job as "BLOCKED" and report its status as "WaitNod" ("Waiting for Nodes"). Note that the hours leading up to the maintenance are an excellent time to submit shorter, smaller jobs that can complete before the maintenance begins: as the queues drain there will be many nodes available, and your wait time may be short.

Lonestar5 status July17, 2018

Posted by David Littrell on Jul 2, 2018 4:34:24 PM

Lonestar5 will be in maintenance on Tuesday the 17th to install Cray patches and field notices.


Updated on Jul 17, 2018 6:37:34 PM

Lonestar5 is out of maintenance and available for usage.

Original Posting

Lonestar5 will be in maintenance on Tuesday the 17th to install Cray patches and field notices.


TACC Institute: Visualizing and Interacting with Data

Posted by Charlie Dey on Jul 11, 2018 2:36:39 PM

We're pleased to announce the next institute in TACC's Summer Institute Series,  Visualizing and Interacting with Data, July 30 - August 3, 2018. Every dataset tells a story, in this institute, you will spend a week with TACC's visualization experts learning how to generate rich, informative...

We're pleased to announce the next institute in TACC's Summer Institute Series,  Visualizing and Interacting with Data, July 30 - August 3, 2018.


Every dataset tells a story, in this institute, you will spend a week with TACC's visualization experts learning how to generate rich, informative visualizations for your simulation results and data analyses to find that story. You will get a a solid start with VisIt and Paraview, learning the basics of developing interesting and worthwhile geographic and information visualizations, and try your hand at using some of the latest augmented- and virtual-reality tools for manipulating and exploring you visualizations.
 

Computational Techniques in Life Sciences Summer Institute

Posted by Charlie Dey on Jun 29, 2018 3:40:52 PM

July 16th - 20th, 2018 Announcing the next institute in TACC's Summer Institute Series: Computational Techniques in Life Sciences. Learn the basic skills necessary to develop and execute scientific workflows on large-scale systems, run parallel analyses, use Bash and Python to chain common life...

July 16th - 20th, 2018
Announcing the next institute in TACC's Summer Institute Series: Computational Techniques in Life Sciences.

Learn the basic skills necessary to develop and execute scientific workflows on large-scale systems, run parallel analyses, use Bash and Python to chain common life sciences applications together to form more complex workflows, and analyze result data in order to gain useful insights. Spend time one-on-one with TACC's Life Sciences Computing group discussing how to accelerate your existing research or how to start a new project by beginning with the best computational practices. The skills developed from this institute are vast and can be applied to various other domain sciences.

Lonestar5 Status 27 June 2018

Posted by Mitchell Collins-Bailey on Jun 27, 2018 9:59:24 AM

Lonestar5 queues have been suspended and we are working on the networking problems at the moment. The system will be restored as soon as possible.

Updated on Jun 27, 2018 2:51:07 PM

Lonestar5 is back in production.


-TACC Team

Original Posting

Lonestar5 queues have been suspended and we are working on the networking problems at the moment. The system will be restored as soon as possible.

TACC Institute: Data Intensive Computing and Machine Learning

Posted by Jason Allison on Jun 27, 2018 11:32:41 AM

July 16th - 20th, 2018 Want to gain more insight from your data? Is analyzing datasets too much for your favorite spreadsheet? Considering using machine learning to improve insights? Spend a week with TACC's data analysis experts learning about the latest tools and techniques for analyzing and...

July 16th - 20th, 2018

Want to gain more insight from your data? Is analyzing datasets too much for your favorite spreadsheet? Considering using machine learning to improve insights? Spend a week with TACC's data analysis experts learning about the latest tools and techniques for analyzing and processing your Big Data problems.

Try your hand at using R, Jupyter notebooks, Hadoop, and Spark with guided hands-on exercises, spend time one-on-one with our data analysis staff talking about your own projects and goals, and hear about the latest tools and research in Big Data.

For more information and access to registration, please visit the following link:
https://www.tacc.utexas.edu/education/institutes/data-intensive-computing-machine-learning

Wrangler Maintenance June 26, 2018

Posted by Jacob Getz on Jun 12, 2018 10:26:15 AM

Wrangler will be unavailable from 8 a.m. to 6 p.m. (CT) on June 26, 2018. Routine maintenance will be performed during this time.

-TACC Team

Updated on Jun 26, 2018 11:01:55 AM

Wrangler is back in full production.


-TACC Team

Original Posting

Wrangler will be unavailable from 8 a.m. to 6 p.m. (CT) on June 26, 2018. Routine maintenance will be performed during this time.

-TACC Team

Ranch Maintenance June 19, 2018

Posted by Jacob Getz on Jun 5, 2018 3:07:28 PM

Ranch will be unavailable from 8 a.m. to 6 p.m. (CT) on June 19, 2018. Routine maintenance will be performed during this time.

-TACC Team

Updated on Jun 19, 2018 3:27:48 PM

Ranch maintenance has been concluded and Ranch has been returned to production.

-TACC Team

Original Posting

Ranch will be unavailable from 8 a.m. to 6 p.m. (CT) on June 19, 2018. Routine maintenance will be performed during this time.

-TACC Team

TACC Institute: Parallel Programming Foundations

Posted by Jason Allison on May 18, 2018 4:38:30 PM

June 25th - June 29th, 2018 Ready to parallelize your software? Spend a week with TACC’s high performance computing experts learning to write parallel applications using OpenMP and MPI, profiling and optimizing sequential and parallel applications, debugging parallel software, developing software...

Updated on Jun 15, 2018 1:48:42 PM

We still have spaces available for the Parallel Programming Foundations Institute - June 25th through June 29th, 2018. Please register ASAP to avoid missing out on this opportunity.

Original Posting

June 25th - June 29th, 2018

Ready to parallelize your software? Spend a week with TACC’s high performance computing experts learning to write parallel applications using OpenMP and MPI, profiling and optimizing sequential and parallel applications, debugging parallel software, developing software for many-core architectures, and more. Gain practical experience developing parallel applications with guided hands-on exercises, spend time with TACC experts one-on-one talking about your own research project goals and roadblocks, and hear from TACC staff, users, and collaborators about the latest trends, technologies, and research projects related to large-scale parallel computation.

Topics covered include:
- OpenMP SIMD Directives
- MPI Collectives
- Hybrid OpenMP/MPI Programming
- Profiling and Debugging

For more information and access to registration, please visit the following link:
https://www.tacc.utexas.edu/education/institutes/parallel-programming-foundations

Maverick Maintenance 12 June 2018

Posted by Sergio Leal on Jun 1, 2018 9:57:24 AM

Maverick will not be available from 8AM to 5PM (CST) on Tuesday, 12 June 2018. Scheduler maintenance will be performed during this time

Updated on Jun 4, 2018 10:54:52 AM

The maintenance planned for Maverick will no longer be taking place.


Original Posting

Maverick will not be available from 8AM to 5PM (CST) on Tuesday, 12 June 2018. Scheduler maintenance will be performed during this time

Stampede2 Maintenance June 12, 2018

Posted by Matthew Edeker on Jun 4, 2018 10:52:26 AM

Stampede2 will be unavailable from 8 a.m. to 7:30 p.m. (CT) on Tuesday, 12 June 2018. System maintenance will be performed during this time.   If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when the...

Stampede2 will be unavailable from 8 a.m. to 7:30 p.m. (CT) on Tuesday, 12 June 2018. System maintenance will be performed during this time.

 

If you submit a job before the maintenance, and the time you request exceeds the time remaining until the maintenance begins, your job will run when the maintenance is over. The squeue command will report "ReqNodeNotAvailable" ("Required Node Not Available"). The showq utility will list the job as "BLOCKED" and report its status as "WaitNod" ("Waiting for Nodes"). Note that the hours leading up to the maintenance are an excellent time to submit shorter, smaller jobs that can complete before the maintenance begins: as the queues drain there will be many nodes available, and your wait time may be short.

Stampede2 Status June 1, 2018

Posted by Matthew Edeker on Jun 1, 2018 11:39:09 PM

The Stampede2 filesystem currently has one storage target offline and administrators are working to correct the problem. Users may experience hangs or pauses trying to access files on this storage target. An update to this notification will be sent once the filesystem target has been recovered.

Updated on Jun 2, 2018 8:02:23 AM

The previously unavailable storage target on the /scratch filesystem has recovered and is back in normal operation now.



Original Posting

The Stampede2 filesystem currently has one storage target offline and administrators are working to correct the problem. Users may experience hangs or pauses trying to access files on this storage target. An update to this notification will be sent once the filesystem target has been recovered.

Corral Maintenance 12 June 2018

Posted by Sergio Leal on May 31, 2018 4:55:41 PM

The Corral web access and data transfer nodes, data.tacc.utexas.edu, corral.tacc.utexas.edu, and web.corral.tacc.utexas.edu, will be down for scheduled maintenance Tuesday, June 12 2018, from 10AM to 2PM CST. Network upgrades will be performed during this time. All other Corral functions, including...

The Corral web access and data transfer nodes, data.tacc.utexas.edu, corral.tacc.utexas.edu, and web.corral.tacc.utexas.edu, will be down for scheduled maintenance Tuesday, June 12 2018, from 10AM to 2PM CST. Network upgrades will be performed during this time. All other Corral functions, including databases, VM access, and access from other TACC systems, will continue to be available during this time.

TACC Institute: Computational Science in the Cloud

Posted by Jason Allison on May 18, 2018 4:25:31 PM

June 4th - June 8th, 2018 Spend a week with TACC’s web and cloud computing experts learning about tools, techniques, and best practices for doing high throughput computing, using virtual machines, containers, and recipes to ensure that your runtime environment is reproducible, even if you need to...

Updated on May 29, 2018 10:14:07 AM

We still have spaces available for the Computational Science in the Cloud Institute.  Please register ASAP to avoid missing out on this opportunity.  The registration deadline for this event has been extended to May 30.

Original Posting

June 4th - June 8th, 2018

Spend a week with TACC’s web and cloud computing experts learning about tools, techniques, and best practices for doing high throughput computing, using virtual machines, containers, and recipes to ensure that your runtime environment is reproducible, even if you need to scale out. Be prepared to take the lessons you learn at TACC back to your own research project with hands-on exercises and one-on-one time with our experts talking about the specifics of your own research project and goals. Hear about the latest tools and research in distributed and cloud computing with invited talks from fellow users, collaborators, and guests.

Topics covered include:

- Introduction to Cloud Concepts
- Virtual Machine Construction using Jetstream
- Making API Calls in Python
- Docker & Singularity Containers
- Automated Deployment Tools


For more information and access to registration, please visit the following link:
https://www.tacc.utexas.edu/education/institutes/computational-science-in-the-cloud

Wrangler status May 15, 2018

Posted by David Littrell on May 15, 2018 1:01:22 PM

Wrangler is currently down for maintenance and is estimated to be up tomorrow at noon CST. 

Updated on May 17, 2018 3:52:18 PM

Wrangler has been returned to production after extensive maintenance on the uninterrupted power supply (UPS) system. Wrangler is dependent on UPS power for a number of subsystems including /data filesystem and the UPS maintenance took longer than anticipated. The queues are now available and please let us know if any other issues arise via the TACC ticketing system. Thank you for your patience.

Updated on May 16, 2018 2:19:52 PM

ETA to Wrangler being back online is Thursday afternoon, 5/17/2018. 

Updated on May 16, 2018 12:34:55 PM

Wrangler is still down. TACC will update when it is back up or there is an ETA. 

Original Posting

Wrangler is currently down for maintenance and is estimated to be up tomorrow at noon CST. 

Stockyard WORK Status May 17 2018

Posted by Jacob Getz on May 17, 2018 2:28:47 PM

$WORK file-system is experiencing intermittent issues.  This may cause some jobs to fail and /work calls to stall.  Administrators are currently working to restore system functionality.

 An additional announcement will be posted when $WORK is fully operational.

-TACC Team

Updated on May 17, 2018 3:40:46 PM

Work is back in full production. Please report any issues you encounter to the helpdesk.


-TACC Team

Original Posting

$WORK file-system is experiencing intermittent issues.  This may cause some jobs to fail and /work calls to stall.  Administrators are currently working to restore system functionality.

 An additional announcement will be posted when $WORK is fully operational.

-TACC Team

Stampede2 Status May 15, 2018

Posted by Jacob Getz on May 15, 2018 9:19:17 AM

Stampede2 /work filesystem is currently unavailable.  TACC staff are currently working to resolve the issue.

-TACC Team

Updated on May 15, 2018 9:46:27 AM

The Stampede2 /work filesystem has been restored. 

Original Posting

Stampede2 /work filesystem is currently unavailable.  TACC staff are currently working to resolve the issue.

-TACC Team

Vislab status, May 11 - 13, 2018

Posted by David Littrell on May 10, 2018 4:31:03 PM

The POB vislab on main campus will be closed at noon, Friday 5/11 and will reopen at 9 am on Monday 5/14. 

The POB vislab on main campus will be closed at noon, Friday 5/11 and will reopen at 9 am on Monday 5/14. 

LoneStar 5 Maintenance 8 May 2018

Posted by Mitchell Collins-Bailey on Apr 23, 2018 10:40:49 PM

LoneStar5 will not be available from 8 a.m. to 17:00 p.m. (CT) on Tuesday, 8 May 2018. Scheduler maintenance will be performed during this time

Updated on May 8, 2018 9:52:48 PM

Lonestar5 largemem nodes have returned to production.

Updated on May 8, 2018 5:45:07 PM

LoneStar5 has returned from maintenance. At this time, the largemem nodes are still being worked on and will return to production shortly.

Original Posting

LoneStar5 will not be available from 8 a.m. to 17:00 p.m. (CT) on Tuesday, 8 May 2018. Scheduler maintenance will be performed during this time

Stampede 2 status May 8, 2018

Posted by David Littrell on May 8, 2018 12:30:04 PM

The Stampede 2 /work filesystem is down for maintenance and should be back up shortly. 

Updated on May 8, 2018 2:10:38 PM

The /work filesystem has been restored. 

Original Posting

The Stampede 2 /work filesystem is down for maintenance and should be back up shortly. 

Introduction To MPI Using The Interactive Parallelization Tool (IPT)

Posted by Jason Allison on May 7, 2018 1:05:37 PM

In parallel codes MPI (Message Passing Interface) is the predominant method for communicating data between the nodes of a compute cluster. It is widely used and performs well on a large variety of hardware platforms, and therefore a basic understanding of MPI programming is beneficial to anybody...

In parallel codes MPI (Message Passing Interface) is the predominant method for communicating data between the nodes of a compute cluster. It is widely used and performs well on a large variety of hardware platforms, and therefore a basic understanding of MPI programming is beneficial to anybody working in the field of high-performance computing (HPC). In this beginner-level training session, we will provide an overview of the basic concepts of MPI. We will introduce the trainees to the Interactive Parallelization Tool (IPT) that is designed for parallelizing serial C/C++ programs semi-automatically. The participants in the training session will be introduced to MPI and will learn to use IPT for parallelizing their C/C++ applications. 

Prerequisites: Experience working in a Linux environment, and familiarity with C/C++/Fortran or other programming language. 

To register and for more information please visit: https://learn.tacc.utexas.edu/ 

If you have any questions please contact me at jasona@tacc.utexas.edu

Stampede Status 2 May 2018

Posted by Sergio Leal on May 2, 2018 2:58:31 PM

Stampede2 /work filesystem experienced an interruption in service an hour ago.  It is back in production.  

Stampede2 /work filesystem experienced an interruption in service an hour ago.  It is back in production.  

Stampede Status 1 May 2018

Posted by Sergio Leal on May 1, 2018 10:35:41 AM

Stampede scratch filesystem is currently unavailable.  TACC staff are currently working on resolving the issue. 

Updated on May 1, 2018 1:26:01 PM

Stampede2 scratch filesystem is back in full production.

Original Posting

Stampede scratch filesystem is currently unavailable.  TACC staff are currently working on resolving the issue. 

Stampede2 is now back in production 4 April 2018

Posted by Mitchell Collins-Bailey on Apr 27, 2018 5:48:01 PM

Stampede2 is now back in production. Thank you for your patience. To better serve the Stampede2 user community, we’ve made several important changes to the queues: A new “long” queue allows you to run KNL jobs for up to 96 hrs. We’ve slightly relaxed the development queue limits. There are now...

Stampede2 is now back in production. Thank you for your patience.


To better serve the Stampede2 user community, we’ve made several important changes to the queues:

  • A new “long” queue allows you to run KNL jobs for up to 96 hrs.
  • We’ve slightly relaxed the development queue limits.
  • There are now fewer nodes in the flat-quadrant queue; we’ve made a corresponding change to the associated queue limits.

See the Stampede2 User Guide (portal.tacc.utexas.edu/user-guides/stampede2) especially Table 5 (portal.tacc.utexas.edu/user-guides/stampede2#table5) for more information.

Wrangler Status 27 April 2018

Posted by Sergio Leal on Apr 27, 2018 3:09:23 PM

Wrangler experienced an error with the filesystem.  System administrators are currently working on resolving the issue.

Updated on Apr 27, 2018 4:04:59 PM

Wrangler is back in production.

Original Posting

Wrangler experienced an error with the filesystem.  System administrators are currently working on resolving the issue.

Lonestar5 Status 25 April 2018

Posted by Sergio Leal on Apr 25, 2018 11:58:56 AM

LoneStar5 has taken an unexpected power-down due to temperature and water problems.  Administrators are working on resolving the problem.

Updated on Apr 25, 2018 1:36:20 PM

LoneStar5 queues have been reopened. 

Original Posting

LoneStar5 has taken an unexpected power-down due to temperature and water problems.  Administrators are working on resolving the problem.

Wrangler File System

Posted by Mitchell Collins-Bailey on Apr 23, 2018 7:04:14 PM

Wrangler has filesystem issues with /data and administrators are working on it. It'll be resolved as soon as possible.

Updated on Apr 23, 2018 8:45:02 PM

/data is returned on Wrangler and therefore the queues are re-opened. Most client transactions should've resumed after the filesystem returned so most should only have paused. If jobs have failed due to this issue please submit a ticket

Original Posting

Wrangler has filesystem issues with /data and administrators are working on it. It'll be resolved as soon as possible.