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
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
Problems with home directory servers filesystem Resolved

We had several auto-reboots with our home directory servers, starting from around 11pm August 30. Jobs might be impacted. The systems are working properly now.  

... Read more
5 years 1 week ago 5 years 1 week ago
Segmentation fault from openmpi/1.10-hpcx and 2.0-hpcx on Owens Owens, Software Resolved

We have found that recent MPI jobs using openmpi/1.10-hpcx and openmpi/2.0-hpcx on Owens may complete or hang until the job is killed, but receive segmentation fault. Some applications might be ...

Read more
7 years 1 month ago 7 years 1 month ago
Poor performance with hybrid MPI+OpenMPI jobs and more than 4 MPI Tasks on multiple nodes Software Resolved
(workaround)

RELION versions prior to 5 may exhibit suboptimal performance in hybrid MPI+OpenMP jobs when the number of MPI tasks exceeds four across multiple nodes.

Workaround...

Read more
1 year 1 month ago 1 year 1 month 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
Apptainer container builds fail on compute nodes due to /tmp namespace behavior Software Resolved
(workaround)

Building Apptainer containers on compute nodes may fail during apt update or other package operations...

Read more
8 months 1 week ago 7 months 4 days 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 16 hours ago 7 years 8 months ago

Pages