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, January 6, 2026

Active System Messages

OSC Help Desk Closure During Winter Recess

The OSC Help Desk will be closed for winter recess from Wednesday, Dec. 24, 2025, through Thursday, Jan. 1, 2026. During this period, computing and storage services will remain fully operational. Support requests will be addressed after the Help Desk reopens on Friday, Jan. 2, 2026

System Downtime January 6 2026

A downtime for OSC HPC systems is scheduled from 7 a.m. to 9 p.m., Tuesday, January 6, 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., January 6. 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.

Known Issues (unresolved)

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

Title Category Description Posted Updated
Schrodinger 2023.2 does not launch on OnDemand Software

Schrodinger 2023.2 does not launch on OnDemand GUI, failling with "fatal error"

 1 week 6 days ago 1 week 6 days ago
GPU Memory Not Released Causing OOM in Subsequent Jobs GPU

We have noticed that GPU memory is not being properly released in some jobs, causing subsequent jobs on the same nodes to run out of memory (OOM). We are currently working on a resolution... Read more

3 months 1 week ago 3 months 1 week ago