The Ohio Supercomputer Center (OSC) is experiencing an email delivery problem with several types of messages from MyOSC. 

OSC has conducted thorough validations to ensure the integrity of our backup data for the /fs/ess filesystem and are beginning full-scan backups of the home directories.

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

Titlesort ascending Category Resolution Description Posted Updated
MVAPICH2 build of CP2K 6.1 Pitzer Resolved

We have found some types of CP2K jobs would fail or have poor performance using cp2k.popt and cp2k.psmp from MVAPICH2 build (gnu/4.8.5 mvapich2/2.3). This version will be removed on December 15th... Read more

3 years 4 months ago 3 years 1 month ago
MVAPICH broken on Ruby Ruby Resolved

Update Monday February 16th -- Ruby MVAPICH2 build fixed.

Ruby's MVAPICH2 build has been fixed.  Please email oschelp@osc.edu with any issues.

... Read more
9 years 2 months ago 9 years 1 month ago
Multi-node job hang with ORCA 5 Owens, Pitzer, Software Resolved
(workaround)

You may experience a multi-node job hang if the job runs into a module that requires heavy I/O, e.g., MP2 or CCSD. Additionally, it potentially leads to our GPFS performance issue. We have... Read more

2 days 21 hours ago 2 days 21 hours ago
MPI_THREAD_MULTIPLE is not supported with OpenMPI-HPCX 4.x Owens, Software Resolved
(workaround)

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

1 year 1 month ago 11 months 1 week ago
MOE license server down Licensing Resolved

The MOE license server is experiencing an unknown issue and potentially down.  We are working to resolve the issue.

6 months 3 weeks ago 6 months 3 weeks ago
module spider/avail/show not showing MPI dependent modules Ruby Resolved

On Ruby, the commands:

  • module spider
  • module avail
  • module show... Read more
8 years 11 months ago 8 years 6 months ago
Missing shared library of some mvapich2 modules Owens, Pitzer Resolved

Updates on Feb 25 2022:

This issue is fixed. 

Original Post:

Users may see an issue of missing shared library with some mvapich2 modules... Read more

2 years 1 month ago 2 years 1 month ago
Matlab PCT broken due to pbsrsh modification Matlab Resolved

A change was made to the system wide pbsrsh script which Matlab relies on.  It has been discovered that this change has broken the parallel computing toolbox (... Read more

8 years 11 months ago 8 years 6 months ago
Major network switch outage Network Resolved

01:20 PM 11/14/2018 Update:

... Read more

5 years 5 months ago 5 years 5 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

4 years 1 week ago 3 years 12 months ago

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