Slowness on /scratch Filesystem

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

Rolling reboots across all OSC clusters beginning 11/05/2026

OSC systems staff will execute a rolling reboot across all active compute clusters (Pitzer, Ascend, and Cardinal) beginning Thursday, November 05.

Performance degradation of ESS filesystem

Category: 
filesystem
Resolution: 
Resolved

Updated 2:10PM November 25, 2021:

The systems are working properly now. Sorry for the inconvenience. Please contact OSC Help if you have any questions.

Updated 10:20AM November 25, 2021:

Access to OnDemand is intermittent. We are still seeing performance degradation of ESS filesystem (/fs/ess). Jobs might be impacted.

Original Post:

We have been experiencing performance degradation of ESS filesystem (/fs/ess), starting from around 1am November 25. Jobs might be impacted. OnDemand is not available. We are working on this. 

Sorry for the inconvenience. Please contact OSC Help if you have any questions.