System Updates Archive

  • Minor Network Issues on Omega

    Thursday, February 11, 2016 - 10:00pm

    Minor Infiniband networking issues were observed on the Omega cluster between 12 pm and 8 pm on Thursday, February 12, 2016.  All issues have been resolved however if you had jobs running the time the issues were observed, we recommend that you check your jobs carefully.  Please let us know of anything you believe is in error by emailing hpc@yale.edu.

    Yale Center for Research Computing

  • Planned Maintenance - VPN - Virtual Private Network - Feb. 14 - 15, 2016

    Thursday, February 11, 2016 - 12:00pm

    Summary

    • Yale's Virtual Private Network (VPN) will be undergoing system maintenance from Sunday, February 14 at 6:00 a.m. until Monday, February 15 at 8:00 a.m.
    • Users connected to some VPN servers will be disconnected and can reconnect at access.yale.edu. If your connection is dropped, simply reconnect to access.yale.edu.

    Details

    On Sunday at 6:00 a.m., users connected to some VPN servers will be disconnected and can reconnect to the VPN service at access.yale.edu. During the remainder of the maintenance, users whose VPN clients are correctly configured to connect to access.yale.edu (and not to a specific VPN server) will not be impacted.

    Please check the ITS System Status page for updates at its.yale.edu/system-status

    If you have any questions or concerns, please contact the ITS Help Desk at 785-3200, 432-9000 or helpdesk@yale.edu.

  • IMPORTANT information about BulldogN storage partition /panfs/sequencers

    Tuesday, February 9, 2016 - 2:00pm

    One of the Panasas storage partitions of the BulldogN cluster, /panfs/sequencers, has failed. At this time efforts by the system engineers to recover it have not been successful and the current belief is that it cannot be recovered.

    As a reminder the sequencing data on /panfs/sequencers is also available at /gpfs/scratch/ycga/data/panfs/sequencers.

    If you have any questions or need any assistance locating data please email us at hpc@yale.edu
     

  • UPDATE: Power Outage in West Campus

    Saturday, February 6, 2016 - 12:00pm

    On February 5th at 11:15 AM, a power outage occurred that affected the Omega and Grace Clusters.  Any job running at that time was likely impacted and we recommend that these jobs be checked carefully.  Currently, both the Grace and Omega clusters are back online and jobs are running, however we suggest you monitor your jobs and report anything you believe is in error. Any questions or concerns should be sent to hpc@yale.edu.  

    The HPC team will continue to monitor the situation.  Additional information, as it becomes available, will be posted here.

  • Omega Network Issues - Update

    Monday, January 11, 2016 - 11:00am

    At 3 pm Thursday,  January 7, 2016, Omega experienced network issues.   At this time, queuing is enabled and we believe the issues have been resolved.  If you experience any problems, please email hpc@yale.edu.  

    We apologize for any inconvenience this may have caused.

  • BulldogN Maintenance

    Wednesday, November 18, 2015 - 12:00pm

    Additional maintenance to BulldogN's storage appliances is ongoing.   All systems will be unavailable and logins will be disabled during the maintenance period.  Any job running during this time will be terminated and storage will be unavailable. BulldogN is planned to be available again Thursday, November 19, in the afternoon.

    Important:

    • All file systems must remain under 90% utilization prior to the upgrade. Please remove any unnecessary files on /ycga-ba and refrain from adding to your net usage.
    • If the file systems are above 90%, we will be required to move files to other locations.
    Your cooperation prior to the maintenance period is greatly appreciated.
    Status updates will be posted here.  If you have any questions, concerns or comments, please don't hesitate to contact us at hpc@yale.edu.

  • Power Outage - Grace / Omega

    Sunday, December 27, 2015 - 10:54am

    Just after midnight on December 27, 2015, a power outage occurred that affected the Omega and Grace clusters. Services were fully restored at 9:30am the same morning. Users are encouraged to check any of their jobs running at that time and report any issues to hpc@yale.edu.

  • BulldogN Maintenance

    Monday, October 26, 2015 - 8:00am

    An upgrade to storage appliances will be performed starting the morning of Monday, October 26. This upgrade will be performed outside BulldogN’s scheduled maintenance interval.  All systems will be unavailable and logins will be disabled during the maintenance.  Any job running during this time will be terminated.  All systems are planned to be available again Tuesday, October 27, in the afternoon.  

    Status updates will be posted to this page. If you have any questions, concerns or comments, please don’t hesitate to contact us at hpc@yale.edu.

  • Scheduled Maintenance Window for Louise

    Monday, October 12, 2015 - 8:00am

    Starting the morning of Oct 12th we will have a maintenance window for the Louise cluster.  All systems are planned to be available again on the morning of October 15th.  During the maintenance period, logins will be disabled.

    If you have any questions, concerns or comments, please don’t hesitate to contact us at hpc@yale.edu.

    Yale Center for Research Computing
     

  • Omega Network Issue - Update

    Monday, July 27, 2015 - 5:00pm
     

    We are currently experiencing intermittent networking issues on Omega.  In order to fix this issue, we will be restarting our network switches, effectively bringing all nodes offline and disabling logins   We are recommending that any jobs currently running be checked once Omega is ready for service.

     

    We sincerely apologize for this inconvenience, especially in light of recent events.

     

    Please refer to this page for the latest updates and email hpc@yale.edu with any questions, concerns or comments.

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