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 Project Space (/nfs/gpfs) | filesystem |
Resolved |
(9/8/15 14:21 Eastern) Project space appears to be back to normal operation. We are running some tests to verify that the problem is fully resolved. As of early afternoon, Sept. 8,... Read more |
11 years 2 days ago | 11 years 2 days ago |
| MPI-IO issues on home directories with Intel MPI 2019.3 | Pitzer, Software |
Resolved (workaround) |
Certain MPI-IO operations with |
1 year 3 months ago | 1 year 3 months 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 3 weeks ago |
| Poor network performance on some filesystems | filesystem |
Resolved |
We are experiencing some network performance issues on a cluster of servers involved with providing GPFS and some project filesystems. GPFS appears to be functioning acceptably, but proj01, proj02... Read more |
13 years 1 month ago | 13 years 1 month ago |
| MPI_THREAD_MULTIPLE is not supported with OpenMPI-HPCX 4.x | Owens, Software |
Resolved |
A threading code with MPI where MPI_Init_thread uses MPI_THREAD_MULTIPLE will fail because UCX from HPCX package is built without enabling multi-threading. UCX is the... Read more |
3 years 6 months ago | 1 year 4 months ago |
| Rolling reboot of Owens cluster, starting from 8:30AM Oct 30, 2017 | Batch, Owens |
Resolved |
Updated on Nov 21, 2017 at 3:33PM: It has been completed. Updated on October 20, 2017 at 4:19PM: We will have a rolling reboot of Owens... Read more |
8 years 10 months ago | 8 years 9 months ago |
| Maintenance outage on the cluster export services | Maintenance, OnDemand, Ruby |
Resolved |
Update on 14 April 2020, 0903: Work is completed. Original message: There will be maintenance on cluster export services on Tuesday, April... Read more |
6 years 5 months ago | 6 years 4 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 |
| NCCL 2.29 Performance Regression on Ascend and Pitzer Clusters | Ascend, Pitzer, Software |
Resolved (workaround) |
We have identified a potential performance regression in point-to-point communication when using NCCL version 2.29 on the Ascend and Pitzer clusters, which results... Read more |
1 month 1 week ago | 1 month 1 week ago |
| Rolling reboots on all HPC systems starting Oct 31 2024 | Owens, Pitzer |
Resolved |
Updates on Nov 13 2024: Pitzer is completed. Updates... Read more |
1 year 10 months ago | 1 year 9 months ago |
