We are actively investigating intermittent slowness on the shared /fs/scratch filesystem.

Known issues

Unresolved known issues

Known issue with an Unresolved Resolution state is an active problem under investigation; a temporary workaround may be available.

Resolved known issues

A known issue with a Resolved (workaround) Resolution state is an ongoing problem; a permanent workaround is available which may include using different software or hardware.

A known issue with Resolved Resolution state has been corrected.

Known Issues

Title Category Resolution Description Posted Updated
SSH Connection Degradation Outage Unresolved

Updates:

SSH connections to cluster login nodes have been restored. Filesystems (...

Read more
1 day 1 hour ago 23 hours 34 min ago
Slowness on /scratch Filesystem filesystem Unresolved

We are actively investigating intermittent slowness on the shared /fs/scratch filesystem. The performance degradation...

Read more
2 days 2 hours ago 2 days 2 hours ago
OSC OnDemand & SSH Connection Degradation login Resolved

OSC OnDemand and cluster login nodes are currently experiencing service degradation and connection issues. Users may encounter slow responsiveness, or connection...

Read more
1 week 6 days ago 1 week 5 days ago
maya frame-renderer outage OnDemand, Software Resolved

The licenses hosted by OSU Arts and Sciences expired around September 16th. This resulted in frame renderer being unable to render frames at all, or without watermarks depending on the...

Read more
4 weeks 1 day ago 1 week 5 days ago
Temporary Login Node Instability on Ascend and Cardinal Ascend, Cardinal Resolved

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

Read more
4 months 3 weeks ago 2 weeks 1 day ago
Podman Error: "Failed to open() /dev/net/tun: No such device" Software Unresolved

Users may experience the following error when running Podman or Docker:

Error: pasta failed with exit code 1:
Failed to open() /dev/net/tun: No such device
Failed to...
Read more
4 weeks 1 day ago 2 weeks 2 days ago
Rolling reboots across all OSC clusters beginning 09/16/2026 Resolved
  • ​​​​​​Date: Wednesday, September 16, 2026

  • Affected Systems: All...

Read more
1 month 1 week ago 3 weeks 3 days ago
Client Portal Service Interruption Resolved

We are currently experiencing an outage affecting access to the myOSC client portal (my.osc.edu). Users attempting to access the site may encounter error messages. We apologize for the...

Read more
1 month 1 day ago 1 month 1 day ago
Emergency Maintenance: Research Data Storage Scratch Purge filesystem Resolved
  • Status: Scheduled

  • ...
Read more
1 month 3 weeks ago 1 month 3 weeks ago
NCCL 2.29 Performance Regression on Ascend and Pitzer Clusters Ascend, Pitzer, Software Resolved
(workaround)

We have identified a potential performance regression in point-to-point communication when using NCCL version 2.29 on the Ascend and Pitzer clusters, which results...

Read more
2 months 3 weeks ago 2 months 3 weeks ago

Pages