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

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

Title Category Resolutionsort descending Description Posted Updated
Lustre Updates filesystem Resolved

9/10/14 - We have not seen any additional crashes of the Lustre servers since making this change.

8/26/14 
- Lustre jobs are being accepted as of 10AM this... Read more

9 years 8 months ago 9 years 7 months ago
Cannot use mpiexec/mpirun from OpenMPI in an interactive session Owens, Pitzer, Software Resolved
(workaround)

We found mpiexec/mpirun from OpenMPI can not be used in an interactive session (launched by sinteractive) after upgrading Pitzer and... Read more

3 years 1 month ago 2 years 2 weeks ago
Stale File Handles on GPFS clients filesystem Resolved

OSC is experiencing some problems with the Project and Scratch filesystems that are resulting in some jobs seeing "stale file handles". We are investigating the problem and will provide updates as... Read more

5 years 4 months ago 5 years 4 months ago
Problems with MVAPICH2 Owens, Ruby, Software Resolved

Some MVAPICH2 MPI installations on Oakley, Ruby, and Owens, such as the default module mvapich2/2.2 as well as mvapich2/2.1, appear to have a bug that is triggered by certain programs.  The... Read more

8 years 2 months ago 1 year 11 months ago
MyOSC unavailable on Tuesday, August 2, 2022, from 10 am to 12 pm client portal Resolved

We will be adding a charge account structure. MyOSC will be unavailable on Tuesday, August 2, 2022, from 10 am to 12 pm while the update occurs. See... Read more

1 year 8 months ago 1 year 8 months 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 2 weeks ago
Brief disruption to external network, 2013/11/27 Connectivity Resolved

This maintenence was cancelled, to be rescheduled at some undetermined point in the future.

Between 12:01AM and 2:00AM Eastern on Wednesday, November 27th 2013, OARnet will be... Read more

10 years 5 months ago 10 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 3 weeks ago 4 years 1 week ago
Occasional failures in file permissions filesystem Resolved

Users may experience occasional failures in file permissions with our filesystem. We've opened a case with the vendor for further investigations. If you get 'permission denied' message when you... Read more

6 years 1 month ago 2 years 4 months ago
System reboot due to security vulnerability Resolved

2015/02/17 UPDATE - Security Patch Succesfully Implimented

All systems have been updated with the secuirty patch.  


Starting Thursday, 4:00PM we will begin taking systems... Read more

9 years 2 months ago 9 years 2 months ago

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