System Status

Follow @HPCNotices on X for real-time updates about the status of OSC's clusters and storage.

For information about the status of licenses for the software packages installed at OSC, visit the License Server Status Updates page.

View unresolved known issues and current system-related status messages below.

If you have encountered a problem not already listed below, please contact our client support team.

Scheduled OSC System Downtimes

OSC strives to minimize the number of system downtimes and provide clients with significant advance notice but reserves the right to change the date(s) of these downtimes and/or add additional downtimes to improve the performance of our services.

Tuesday, August 11, 2026
Thursday, January 7, 2027

Active System Messages

System Downtime August 11 2026

A downtime for OSC HPC systems is scheduled from 7 a.m. to 9 p.m., Tuesday, August 11, 2026. The downtime will affect the Pitzer, Cardinal and Ascend Clusters, web portals, the state-wide licenses and HPC file servers. MyOSC (the client portal) will be available during the downtime. In preparation for the downtime, the batch scheduler will not start jobs that cannot be completed before 7 a.m., August 11. Jobs that are not started on clusters will be held until after the downtime and then started once the system is returned to production status.

Update OnDemand Desktop Launch Form

The launch forms for all OnDemand Desktops will be updated during the upcoming scheduled downtime. For more information, please visit: https://www.osc.edu/resources/technical_support/hpc_changelog/2026/update_ondemand_desktop_launch_form.

Known Issues (unresolved)

A list of all known issues, including those that have been resolved, can be found here.

Title Category Description Posted Updated
Temporary Login Node Instability on Ascend Ascend

We are currently experiencing temporary instability on the Ascend login nodes, which may result in slow response times or unexpected session disconnects. Our team is actively... Read more

2 months 1 week ago 1 month 3 weeks ago