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
Backup failures on ess filesystem Backups, filesystem Resolved

The backups on the /fs/ess filesystem are having issues running. There has not been a successful backup of this filesystem since Sunday, 08 August 2021.

OSC is working with the vendor to... Read more

2 years 8 months ago 2 years 8 months ago
GPFS hang Issue on 09/08/2016 filesystem Resolved

On Thursday, Sept 8 starting at 19:37, we had some bad interaction that appears to have been caused by the backup client, and the GPFS servers. This resulted in a GPFS hang that propagated I/O... Read more

7 years 7 months ago 7 years 7 months ago
8AM 9/11/13 - Brief network disruption to reboot a switch Network Resolved

At 8AM on September 11, 2013, we will be rebooting a network switch to replace a failed card in the switch. Network will be disrupted for 10 to 15 minutes while the work is done. Filesystem mounts... Read more

10 years 7 months ago 10 years 7 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 3 weeks ago
Owens batch is down Owens Resolved

Updated at 9:07PM on Dec 20, 2017 :

Owens batch was restored by updating Torque resource manager at 6:37pm Dec 19, 2017. 

Original Post at 4:45PM on Dec 19... Read more

6 years 4 months ago 6 years 4 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
OSC internal network problems 25 Sept. 2020 Network, Owens, Pitzer, Ruby, Web Services Resolved

OSC is currently experiencing problems with its internal network.  Interactive sessions may be slow or unresponsive, but running jobs should not be affected.

3 years 7 months ago 3 years 6 months ago
qsub filter rejects valid jobs Resolved

Job scripts submitted on Glenn, Oakley, or Ruby all go a submit filter before reaching the resource manager, Torque.  A bug has been discovered in our submit filter which prevents jobs with the... Read more

9 years 1 month ago 8 years 6 months ago
Rolling reboot of all clusters, starting from 9:30 AM June 05, 2019 Batch, login, Owens, Pitzer, Ruby Resolved

Update #2 Posted on 14 June 2019 12:33 PM

The rolling reboots of all clusters are completed. Please contact oschelp@osc.edu if you... Read more

4 years 10 months ago 4 years 10 months ago
Inconsistent performance degradation of ESS filesystem filesystem Resolved

... Read more

2 years 4 months ago 2 years 3 months ago

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