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 |
|---|---|---|---|---|---|
| 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 2 weeks ago | 5 years 2 weeks 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 |
| GPU Memory Not Released Causing OOM in Subsequent Jobs | GPU |
Resolved (workaround) |
We have noticed that GPU memory is not being properly released in some jobs, causing subsequent jobs on the same nodes to run out of memory (OOM). We are currently working on a resolution... Read more |
11 months 3 weeks ago | 6 months 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 2 months ago | 12 years 2 months ago |
| Scheduling suspended | Batch |
Resolved |
We have temporarily suspended scheduling due to some problems with the parallel scratch file system. |
11 years 11 months ago | 11 years 11 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 |
| 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 |
