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 descending Description Posted Updated
MVAPICH broken on Ruby Ruby Resolved

Update Monday February 16th -- Ruby MVAPICH2 build fixed.

Ruby's MVAPICH2 build has been fixed.  Please email oschelp@osc.edu with any issues.

... Read more
11 years 7 months ago 11 years 7 months ago
Problems with GPFS filesystem, and OnDemand is not working filesystem Resolved

Updates on 12:00pm June 10:

The issue is fixed. All impacted services return to production.

We apologize for the inconvience. If you have any questions, please...

Read more
5 years 3 months ago 5 years 3 months ago
Application Errors client portal Resolved

When beginning a major or discovery-level application for resources at OSC, you are asked for a required justification on the Additional Documents page. However, there is no mechanism for you to...

Read more
7 years 4 months ago 7 years 1 month ago
Instability on Clusters after May 13 Downtime Resolved

We've been experiencing some instability on the clusters (particularly Cardinal and Ascend) following the recent May 13 downtime, especially with parallel job processing. If you notice any unusual...

Read more
1 year 4 months ago 1 year 3 months ago
STAR-CCM+ OpenMPI Job Failed due to Out-of-Memory Cardinal, Software Resolved
(workaround)

After the scheduled downtime on May 12, 2026, STAR-CCM+ has been encountering out-of-memory errors when running OpenMPI jobs. A message similar to the following...

Read more
3 months 2 weeks ago 2 months 3 weeks ago
Rolling reboot of all clusters, starting from Wednesday morning, April 19, 2017 Batch, Maintenance, Owens, Ruby Resolved

1:40PM 4/27/2017 Update: Rolling reboots are completed. 

3:10PM 4/18/2017 Update: Rolling reboots on Owens have started to address GPFS errors occured...

Read more
9 years 5 months ago 9 years 4 months ago
Intermittent home directory performance issues filesystem Resolved

Users may experience performance issues in home directory. It is recommended to use temporary directory ($TMPDIR, or scratch) or project storage to minimize the impact on...

Read more
3 years 2 months ago 3 years 1 month ago
Lustre is still offline. HPC systems back up Maintenance Resolved

Day One of the scheduled downtime has been completed, and HPC operations have resumed. As planned, Lustre work will extend into Day Two. Jobs using /fs/lustre or $PFSDIR cannot run until this work...

Read more
12 years 2 months ago 12 years 2 months ago
OnDemand unresponsive login Resolved

Some of the login nodes on Owens and Pitzer are in bad states. User can't log into OnDemand. And scratch is unresponsive sometimes. We are working on this issue. We will update when we have more...

Read more
6 years 3 months ago 6 years 3 months ago
Replacement of Owens Ethernet switches from Dec 14, 2018 Network, Owens Resolved

Updated on Jan 16, 2019, at 09:20 AM:

The replacement is done except for the three switches including the login nodes of Owens. We posted another notice for more...

Read more
8 years 1 day ago 7 years 8 months ago

Pages