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 Resolutionsort ascending Description Posted Updated
OpenMPI 4 and NVHPC MPI Compatibility Issues with SLURM HWLOC Ascend, Cardinal, Software Resolved
(workaround)

A pure MPI application using mpirun or mpiexec with more ranks than the number of NUMA nodes may encounter an error similar to the following:...

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1 year 6 months ago 1 year 3 months ago
Scratch filesystem is down filesystem, OnDemand Resolved

Updated on 2:30pm Feb 1st:

Scratch filesystem is back. OnDemand is also available now. 

Original Post:

Scratch filesystem is down now....

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7 years 8 months ago 7 years 8 months ago
Emergency maintenance in OSC’s data center Feb 10 2022 Outage, Owens, Pitzer Resolved

OSC will shut down significant portions of the Owens and Pitzer clusters for several hours this afternoon (Thursday, Feb....

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4 years 8 months ago 4 years 8 months ago
GPFS hang Issue on 09/08/2016 filesystem Resolved

On Thursday, Sept 8 starting at 19:37, we had some bad interaction that appears to have been caused by the backup client, and the GPFS servers. This resulted in a GPFS hang that propagated I/O...

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10 years 1 month ago 10 years 1 month ago
Possible performance degradation after August 9th's downtime filesystem Resolved

Updates on May 20 2023:

verbsRDMA is enabled on Pitzer. 

Updates on Dec 14 2022:

verbsRDMA is enabled on Owens during December 13 downtime...

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4 years 2 months ago 3 years 4 months ago
Abaqus license contention Batch, Licensing Resolved

We have noticed some abaqus jobs end up in BatchHold. Once the job is in BatchHold, it will never start. This is because of sharing the abaqus licenses between Oakley and Owens. We have opened a...

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9 years 8 months ago 8 years 4 months ago
Apptainer apt GPG Error Caused by Private /tmp Software Resolved
(workaround)

Duplicate of:

https...

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8 months 1 week ago 5 months 3 weeks ago
GPFS problems on Owens filesystem Resolved

Owens is experiencing a disruption of GPFS availability. At about 4:17PM today (January 6th), OSC monitoring noticed a problem with mounts of Project on the Owens supercomputer. Jobs may have been...

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6 years 9 months ago 6 years 9 months ago
ARMSTRONG is offline Outage Resolved

ARMSTRONG is experiencing an unexpected outage. We are working on a resolution.

12 years 6 months ago 12 years 6 months ago
Schrodinger license check in issue Licensing Resolved

Schrödinger is an application that uses a FlexNet license server. To run a job, the application needs to check out licenses from the server and check it back in once the job is completed. However...

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2 years 3 months ago 1 year 10 months ago

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