Known issue with an Unresolved Resolution state is an active problem under investigation; a temporary workaround may be available.
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.
| Title | Category |
Resolution |
Description | Posted | Updated |
|---|---|---|---|---|---|
| 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 |
8 months 1 week ago | 7 months 6 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 1 day ago | 7 years 8 months ago |
| - --gpus-per-task is not working | Batch |
Resolved |
Updated: This is fixed. Original Post: After the recent Slurm upgrade, the option |
1 year 8 months ago | 1 year 8 months ago |
| NFS outage on Thursday Jan 17 from 7am to 8am | filesystem |
Resolved |
Update: This work has been canceled and will be done during downtime on Feb. 5. Original Post: On Thursday, January 17th from 7 am to 8 am OSC will have a GPFS... Read more |
7 years 8 months ago | 7 years 8 months ago |
| Intermittent failure of default CPU binding | Software |
Resolved (workaround) |
The default CPU binding for ORCA jobs can fail sporadically. The failure is almost immediate and produces a cryptic error message, e.g. $ORCA/orca h2o.in...Read more |
1 year 4 months ago | 1 year 4 months ago |
