# Brown Research Computing **URL:** https://ask.cyberinfrastructure.org/c/locales-data-centers-and-campus-rc/brown-research-computing/37.md [Latest](https://ask.cyberinfrastructure.org/latest.md) · [Categories](https://ask.cyberinfrastructure.org/categories.md) · [Tags](https://ask.cyberinfrastructure.org/tags.md) --- ## [About the Brown Research Computing category](https://ask.cyberinfrastructure.org/t/about-the-brown-research-computing-category/866)
**Author:** [@mirestrepo](https://ask.cyberinfrastructure.org/u/mirestrepo)\ **Replies:** 1\ **Last updated:** [April 29, 2019, 3:20pm UTC](https://ask.cyberinfrastructure.org/t/about-the-brown-research-computing-category/866 "2019-04-29T15:20:23Z")
This category is for topics directly related to infrastructure and services supported by Brown’s Center for Computation and Visualization (CCV). CCV provides computing infrastructure, consulting, and support to the Brow… --- ## [Oscar - January 2022 Downtime](https://ask.cyberinfrastructure.org/t/oscar-january-2022-downtime/2141)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [December 2, 2021, 10:06pm UTC](https://ask.cyberinfrastructure.org/t/oscar-january-2022-downtime/2141 "2021-12-02T22:06:41Z")
Dear Oscar Users, The CIT building (which houses our Data Center) will lose power on Tuesday, 1/11/21, as Facilities Management needs to do critical diagnostic work for new circuit breakers and preventive maintenance on… --- ## [Oscar - Enhanced Security for Logins](https://ask.cyberinfrastructure.org/t/oscar-enhanced-security-for-logins/1910)
**Author:** [@paulstey](https://ask.cyberinfrastructure.org/u/paulstey)\ **Replies:** 0\ **Last updated:** [June 3, 2021, 2:42pm UTC](https://ask.cyberinfrastructure.org/t/oscar-enhanced-security-for-logins/1910 "2021-06-03T14:42:03Z")
Effective Thursday, June 17th, at 8 am, the login process for accessing Oscar via SSH will require either two-factor authentication (e.g., Duo) or VPN access. This means if you currently login to Oscar using your usernam… --- ## [Oscar Major Outage](https://ask.cyberinfrastructure.org/t/oscar-major-outage/1811)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [March 31, 2021, 3:23pm UTC](https://ask.cyberinfrastructure.org/t/oscar-major-outage/1811 "2021-03-31T15:23:17Z")
Please see below regarding the current outage on Oscar: What’s the issue? Oscar is experiencing a complete outage, including: Users will not be able to log-in via SSH, VNC, etc. All running jobs have been terminated U… --- ## [Oscar Outage - SMB/CIFS](https://ask.cyberinfrastructure.org/t/oscar-outage-smb-cifs/1810)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [March 30, 2021, 1:27pm UTC](https://ask.cyberinfrastructure.org/t/oscar-outage-smb-cifs/1810 "2021-03-30T13:27:10Z")
Please see below regarding the current outage on Oscar What’s the issue? SMB (smb.ccv.brown.edu) & CIFS (oscarcifs.ccv.brown.edu) mounts are unavailable Users will not be able to mount GPFS filesystem via SMB or CIFS … --- ## [FTP file transfer](https://ask.cyberinfrastructure.org/t/ftp-file-transfer/1749)
**Author:** [@kir0ul](https://ask.cyberinfrastructure.org/u/kir0ul)\ **Replies:** 2\ **Last updated:** [February 23, 2021, 6:26pm UTC](https://ask.cyberinfrastructure.org/t/ftp-file-transfer/1749 "2021-02-23T18:26:04Z")
Hi, I was wondering if it is possible to transfer some data from an FTP server directly to Oscar? Thanks! --- ## [SLURM Configuration Change (Lowered Job Submission Limits)](https://ask.cyberinfrastructure.org/t/slurm-configuration-change-lowered-job-submission-limits/1731)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [February 9, 2021, 7:48pm UTC](https://ask.cyberinfrastructure.org/t/slurm-configuration-change-lowered-job-submission-limits/1731 "2021-02-09T19:48:37Z")
Oscar Users, Please see below regarding the Slurm configuration change on Oscar. What’s the change? The new limits will be as follows: Account Type MaxSubmitJobsPerUser Exploratory 100 Priority 1200 Cond… --- ## [Oscar VNC Outage](https://ask.cyberinfrastructure.org/t/oscar-vnc-outage/1711)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 1\ **Last updated:** [January 20, 2021, 10:28pm UTC](https://ask.cyberinfrastructure.org/t/oscar-vnc-outage/1711 "2021-01-20T22:28:29Z")
Oscar Users, Please see below regarding the current VNC outage on Oscar What’s the issue? Reconnecting to an existing VNC session will not work New VNC sessions will not be able to start What’s the cause? We are w… --- ## [Oscar Maintenance Complete](https://ask.cyberinfrastructure.org/t/oscar-maintenance-complete/1699)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [January 8, 2021, 2:14am UTC](https://ask.cyberinfrastructure.org/t/oscar-maintenance-complete/1699 "2021-01-08T02:14:09Z")
Oscar Users, Oscar maintenance is now complete and the cluster has been returned to full production. Please read this carefully as we have made significant changes. The public key has changed. Please run the following… --- ## [Oscar Slurm Runaway Jobs](https://ask.cyberinfrastructure.org/t/oscar-slurm-runaway-jobs/1686)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 1\ **Last updated:** [December 18, 2020, 6:07am UTC](https://ask.cyberinfrastructure.org/t/oscar-slurm-runaway-jobs/1686 "2020-12-18T06:07:56Z")
Please see below regarding the current Slurm runaway jobs on Oscar What’s the issue? Slurm jobs after completion are not being cleared from the queue (runaway jobs). This means even if your previous job is finished it… --- ## [CCV Support & reporting IT outages during winter break](https://ask.cyberinfrastructure.org/t/ccv-support-reporting-it-outages-during-winter-break/1683)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [December 16, 2020, 7:39pm UTC](https://ask.cyberinfrastructure.org/t/ccv-support-reporting-it-outages-during-winter-break/1683 "2020-12-16T19:39:14Z")
Hello, Friendly reminder that the University is closed starting at 5:00 pm, Friday, December 18, 2020 until 8:30 am, Monday, January 4, 2021. During this time, to report a failed critical IT service (Oscar, Stronghold),… --- ## [Oscar Maintenance](https://ask.cyberinfrastructure.org/t/oscar-maintenance/1616)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [November 11, 2020, 5:40pm UTC](https://ask.cyberinfrastructure.org/t/oscar-maintenance/1616 "2020-11-11T17:40:43Z")
Please see below regarding the upcoming CCV maintenance work. Maintenance Window: 8:00 am, Tuesday, January 5, 2021 - Thursday, January 7, 2021 Expected Impact: All Oscar services will be unavailable during the dow… --- ## [Oscar Upgrade (Rebuilding MPI Applications)](https://ask.cyberinfrastructure.org/t/oscar-upgrade-rebuilding-mpi-applications/1657)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [December 3, 2020, 2:28pm UTC](https://ask.cyberinfrastructure.org/t/oscar-upgrade-rebuilding-mpi-applications/1657 "2020-12-03T14:28:31Z")
Oscar Users, As part of the Oscar maintenance (8:00 am, January 5, 2021, until 11:59 pm, January 7, 2021), we are upgrading Slurm to version 20.02.6. This may require you to rebuild your MPI applications. To help facili… --- ## [VSCode Remote SSH in Oscar](https://ask.cyberinfrastructure.org/t/vscode-remote-ssh-in-oscar/1533)
**Author:** [@mirestrepo](https://ask.cyberinfrastructure.org/u/mirestrepo)\ **Replies:** 1\ **Last updated:** [October 15, 2020, 9:20pm UTC](https://ask.cyberinfrastructure.org/t/vscode-remote-ssh-in-oscar/1533 "2020-10-15T21:20:24Z")
How should we use VSCode remote ssh with Oscar? --- ## [Oscar Network Switch Upgrade](https://ask.cyberinfrastructure.org/t/oscar-network-switch-upgrade/1500)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [September 11, 2020, 1:20pm UTC](https://ask.cyberinfrastructure.org/t/oscar-network-switch-upgrade/1500 "2020-09-11T13:20:56Z")
Oscar Users, Please see below regarding CCV maintenance work. Should you need more technical assistance regarding the maintenance, please refer to our Q&A forum or CCV’s status page. Maintenance Window: Tuesday, Sept… --- ## [Singularity Update on Oscar](https://ask.cyberinfrastructure.org/t/singularity-update-on-oscar/1477)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 1\ **Last updated:** [August 25, 2020, 2:22pm UTC](https://ask.cyberinfrastructure.org/t/singularity-update-on-oscar/1477 "2020-08-25T14:22:08Z")
Please see below regarding the upcoming CCV maintenance work. Should you need more technical details regarding the maintenance, please refer to our Q&A forum or CCV’s status page. Maintenance Window: Tuesday, August 2… --- ## [GPFS - Performance Improvements](https://ask.cyberinfrastructure.org/t/gpfs-performance-improvements/1475)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [August 17, 2020, 3:00pm UTC](https://ask.cyberinfrastructure.org/t/gpfs-performance-improvements/1475 "2020-08-17T15:00:07Z")
We have made changes to GPFS /data and /scratch, which significantly improves performance. We hope you have observed similar results, and we welcome your feedback regarding your experience. Sincerely, CCV User Services … --- ## [SMB Maintenance](https://ask.cyberinfrastructure.org/t/smb-maintenance/1472)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [August 11, 2020, 6:03pm UTC](https://ask.cyberinfrastructure.org/t/smb-maintenance/1472 "2020-08-11T18:03:29Z")
Please see below regarding the upcoming CCV maintenance work. Should you need more technical details regarding the maintenance, please refer to our Q&A forum or CCV’s status page Maintenance Window: Thursday, August 1… --- ## [GPFS Performance Issues](https://ask.cyberinfrastructure.org/t/gpfs-performance-issues/1419)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 2\ **Last updated:** [July 31, 2020, 5:34pm UTC](https://ask.cyberinfrastructure.org/t/gpfs-performance-issues/1419 "2020-07-31T17:34:25Z")
What’s the issue? Oscar’s GPFS file system is experiencing slow I/O performance What’s the cause? 2 things contributed to this issue: GPFS was recently upgraded but some components of the file system have not yet b… --- ## [GPFS Maintenance (Upgrade Software Version)](https://ask.cyberinfrastructure.org/t/gpfs-maintenance-upgrade-software-version/1448)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [July 28, 2020, 4:45pm UTC](https://ask.cyberinfrastructure.org/t/gpfs-maintenance-upgrade-software-version/1448 "2020-07-28T16:45:37Z")
Oscar Users, Please see below regarding the upcoming CCV maintenance work. Maintenance Window: Wednesday, July 29, 2020; 6:30 am - 8:30 am Maintenance Description: Upgrade GPFS software to a recent release (5.0.5-… --- ## [Jupyter on NERSC HPC](https://ask.cyberinfrastructure.org/t/jupyter-on-nersc-hpc/1420)
**Author:** [@kir0ul](https://ask.cyberinfrastructure.org/u/kir0ul)\ **Replies:** 0\ **Last updated:** [July 14, 2020, 8:29pm UTC](https://ask.cyberinfrastructure.org/t/jupyter-on-nersc-hpc/1420 "2020-07-14T20:29:45Z")
Interesting to see how they made Jupyter a first class citizen on the NERSC HPC: https://youtu.be/nU-FDFrtOvM :slightly\_smiling\_face: --- ## [Oscar scheduled maintenance - June 22, 2020 at 8:00 am - June 29, 2020 at 5:00 pm](https://ask.cyberinfrastructure.org/t/oscar-scheduled-maintenance-june-22-2020-at-8-00-am-june-29-2020-at-5-00-pm/1352)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 1\ **Last updated:** [June 28, 2020, 5:14pm UTC](https://ask.cyberinfrastructure.org/t/oscar-scheduled-maintenance-june-22-2020-at-8-00-am-june-29-2020-at-5-00-pm/1352 "2020-06-28T17:14:09Z")
The Oscar cluster will be unavailable for scheduled maintenance, beginning Monday, June 22, 2020 at 8:00 am to Monday, June 29, 2020 at 5:00 pm. We expect to bring the cluster back online much sooner than published down… --- ## [How is Brown supporting research computing during COVID-19 crisis?](https://ask.cyberinfrastructure.org/t/how-is-brown-supporting-research-computing-during-covid-19-crisis/1299)
**Author:** [@Mete\_Tunca](https://ask.cyberinfrastructure.org/u/Mete_Tunca)\ **Replies:** 1\ **Last updated:** [March 17, 2020, 7:27pm UTC](https://ask.cyberinfrastructure.org/t/how-is-brown-supporting-research-computing-during-covid-19-crisis/1299 "2020-03-17T19:27:24Z")
How is Brown supporting research computing during COVID-19 crisis? Can researchers still utilize research computing clusters? Will Brown technical staff still support researchers? --- ## [INFO: CCV Rates Change for FY20](https://ask.cyberinfrastructure.org/t/info-ccv-rates-change-for-fy20/1203)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [December 20, 2019, 8:45pm UTC](https://ask.cyberinfrastructure.org/t/info-ccv-rates-change-for-fy20/1203 "2019-12-20T20:45:55Z")
Description: CCV will be transitioning to a new rate model for the fiscal year 2020. The new model will be enforced by January 21, 2020 Details: Rates for CCV related services have been revised for the fiscal year 202… --- ## [How might you use VR and 3D visualization?](https://ask.cyberinfrastructure.org/t/how-might-you-use-vr-and-3d-visualization/1137)
**Author:** [@mirestrepo](https://ask.cyberinfrastructure.org/u/mirestrepo)\ **Replies:** 0\ **Last updated:** [November 19, 2019, 4:10pm UTC](https://ask.cyberinfrastructure.org/t/how-might-you-use-vr-and-3d-visualization/1137 "2019-11-19T16:10:32Z")
CIS wants to know how the Brown students, faculty and staff use or might use 3D, virtual reality and visualization technology. We are conducting a short 3-minutes survey in order to assess the current needs and specific … --- ## [INFO - Oscar scheduled maintenance - January 13, 2020 at 8:00 am - January 21, 2020 at 8:00 am](https://ask.cyberinfrastructure.org/t/info-oscar-scheduled-maintenance-january-13-2020-at-8-00-am-january-21-2020-at-8-00-am/1132)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 2\ **Last updated:** [January 8, 2020, 9:00pm UTC](https://ask.cyberinfrastructure.org/t/info-oscar-scheduled-maintenance-january-13-2020-at-8-00-am-january-21-2020-at-8-00-am/1132 "2020-01-08T21:00:19Z")
The Oscar cluster will be unavailable beginning Monday, January 13, 2020 at 8:00 am, for scheduled maintenance. The cluster will return to full production by Tuesday, January 21, 2020 at 8:00 am (or earlier). Following … --- ## [INFO: Singularity update on Oscar starting Monday December 16, 2019](https://ask.cyberinfrastructure.org/t/info-singularity-update-on-oscar-starting-monday-december-16-2019/1199)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [December 13, 2019, 9:00pm UTC](https://ask.cyberinfrastructure.org/t/info-singularity-update-on-oscar-starting-monday-december-16-2019/1199 "2019-12-13T21:00:09Z")
Description: We will be rolling out Singularity version 3.4.2 on Oscar beginning Monday, December 16, 2019. Details: The current Singularity (version 2.2) will still be supported on Oscar but users will now need to lo… --- ## [Open OnDemand on Oscar?](https://ask.cyberinfrastructure.org/t/open-ondemand-on-oscar/1193)
**Author:** [@kir0ul](https://ask.cyberinfrastructure.org/u/kir0ul)\ **Replies:** 2\ **Last updated:** [December 13, 2019, 12:09am UTC](https://ask.cyberinfrastructure.org/t/open-ondemand-on-oscar/1193 "2019-12-13T00:09:01Z")
Could be nice to have Open OnDemand on Oscar :slightly\_smiling\_face: Does anyone know if there is any plan about that? --- ## [INFO - Nvidia Hardware Driver update on Oscar's GPU Nodes - Starting Tuesday December 3, 2019](https://ask.cyberinfrastructure.org/t/info-nvidia-hardware-driver-update-on-oscars-gpu-nodes-starting-tuesday-december-3-2019/1158)
**Author:** [@psaluja](https://ask.cyberinfrastructure.org/u/psaluja)\ **Replies:** 0\ **Last updated:** [November 25, 2019, 9:30pm UTC](https://ask.cyberinfrastructure.org/t/info-nvidia-hardware-driver-update-on-oscars-gpu-nodes-starting-tuesday-december-3-2019/1158 "2019-11-25T21:30:22Z")
Description: To accommodate the newer version of CUDA toolkit we will be updating the Nvidia hardware driver to version 440.33.01 on all GPU nodes on Oscar. We will start rolling out the update on Tuesday, December 3, 20… --- ## [Unable to start VNC session](https://ask.cyberinfrastructure.org/t/unable-to-start-vnc-session/1123)
**Author:** [@mohit.vaishnav](https://ask.cyberinfrastructure.org/u/mohit.vaishnav)\ **Replies:** 2\ **Last updated:** [November 4, 2019, 5:03pm UTC](https://ask.cyberinfrastructure.org/t/unable-to-start-vnc-session/1123 "2019-11-04T17:03:21Z")
Hi, I am trying to start the VNC session from Ubuntu 18.04 but I am having the error message attached here. It was alright till I was working on my last session, but as soon as that ended I am unable to connect again… [Next page](https://ask.cyberinfrastructure.org/c/locales-data-centers-and-campus-rc/brown-research-computing/37.md?page=1)