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 |
|---|---|---|---|---|---|
| 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 4 weeks ago | 7 years 6 days 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 |
4 years 11 months ago | 4 years 11 months 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 4 months ago | 9 years 3 months 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 week ago | 1 year 1 week 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 $PFSDIR cannot run until this work... Read more |
12 years 1 month ago | 12 years 1 month ago |
| Intermittent home directory performance issues | filesystem |
Resolved |
Users may experience performance issues in home directory. It is recommended to use temporary directory ($TMPDIR, or scratch) or project storage to minimize the impact on... Read more |
3 years 1 month ago | 3 years 1 month 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 |
7 years 11 months ago | 7 years 7 months ago |
| Slurm to be Upgraded to Version 23.11.4 | Owens, Pitzer |
Resolved |
Updates on 04/08/2024: The rolling reboots are completed. Updates: We will perform rolling reboots on this... Read more |
2 years 5 months ago | 2 years 4 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 7 months ago | 7 years 7 months ago |
| Client Portal inaccessible | client portal |
Resolved |
All users are currently unable to login to OSC client portal. When attempting to login to OSC... Read more |
5 years 8 months ago | 5 years 8 months ago |
