Holland Computing Center - Swan Maintenance Downtime - January 7th, 2026 – Maintenance details

System Under Maintenance

Status of Holland Computer Center Resources


Swan Maintenance Downtime - January 7th, 2026

In progress
Scheduled for January 07, 2026 at 2:00 PM – January 08, 2026 at 2:00 PM

Affects

HPC resources

Under maintenance from 2:00 PM to 12:00 AM

Swan

Under maintenance from 2:00 PM to 12:00 AM

Websites

Under maintenance from 2:00 PM to 12:00 AM

Swan Open OnDemand

Under maintenance from 2:00 PM to 12:00 AM

Updates
  • In progress
    January 07, 2026 at 2:00 PM
    In progress
    January 07, 2026 at 2:00 PM
    Maintenance is now in progress
  • Planned
    January 07, 2026 at 2:00 PM
    Planned
    January 07, 2026 at 2:00 PM

    Starting January 7th (Wednesday) at 8 AM Central, the Swan cluster will be unavailable for approximately 1 day and returning to service on Thursday, January 8th.

    This maintenance work is to update underlying software on HCC resources and supporting infrastructure. To make sure that no tasks or jobs accidentally run during this period, a reservation has been set on Swan starting January 7th (Wednesday) at 8 AM Central.

    If you try to submit a task or job, but it stays in line or queue with the status labeled as 'Reservation,' it means it's intentionally held there (https://hcc.unl.edu/docs/faq/#why-is-my-job-is-showing-reqnodenotavail-reserved-for-maintenance-before-a-downtime).

    This holding prevents it from running during the maintenance period and then getting canceled.

    For those using HCC's Swan resource, it is strongly suggested to have a copy of any files you may need from Swan during this time in another location.

    The following resources will be affected by this maintenance downtime: - Swan - Swan Open OnDemand

    The most up-to-date status for our resources can be found here https://status.hcc.unl.edu/. HCC regrets any inconvenience caused by this needed maintenance. For any questions or concerns related to this downtime, please email hcc-support@unl.edu