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

 OSC is preparing to update Slurm on its production systems to version 23.11.4 on March, 27. 

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
February 11 2014 Scheduled Downtime Outage Resolved

HPC systems are offline today for scheduled quarterly maintenance activity. For details, please visit osc.edu/n

10 years 1 month ago 10 years 1 month ago
Job failures on some rolling-rebooted nodes on Owens since April 16, 2018 Owens Resolved

3:35 PM 4/30/2018 Update:

The cause is that NFSv4.1 is not configured correctly after OS on Owens was updated from RHEL 7.3 to 7.4. We re-rebooted the Owens compute nodes... Read more

5 years 11 months ago 5 years 11 months ago
Jupyter security issue Aug. 13, 2021 Maintenance, OnDemand, Software Resolved

Please do not run any Jupyter applications at OSC until further notice due to a security vulnerability.

OSC will update JupyterLab and Jupyter Notebook applications to rectify this as soon... Read more

2 years 7 months ago 2 years 7 months ago
Ruby Rolling Reboot Resolved

2015/02/16 RUBY Rolling Reboot starting Today

 

A rolling reboot is required on Ruby to update a critical... Read more

9 years 1 month ago 9 years 1 month ago
Password Expiration Emails client portal Resolved

Password expiration notices are still being sent after you change your password.

To ensure your password change date has been updated and the account will not expire, please look at... Read more

4 years 11 months ago 4 years 10 months ago
ORCA Bind to CORE Failure Software Resolved
(workaround)

The default CPU binding for ORCA jobs can fail sporadically.  The failure is almost immediate and produces a cryptic error message, e.g.:

... Read more          
11 months 5 days ago 11 months 5 days ago
LAMMPS 14May16 velocity command problem on Owens Software Resolved
(workaround)

LAMMPS 14May16 on Owens can hang when using the velocity command.  Inputs that hang on Owens work on Oakley and Ruby.  LAMMPS 31Mar17 on Owens also works.  Here is an example failing input snippet... Read more

7 years 3 months ago 1 year 11 months ago
Unable to unload Intel software stack Pitzer, Ruby, Software Resolved

Users may experience unable to unload Intel software stack via module rm intel after switching between intel and ohter compilers. This is a known issue with current versions of Lmod on Pitzer and... Read more

3 years 10 months ago 3 years 10 months ago
Issue with GPFS on Owens since April 14, 2017 Batch, filesystem, Owens Resolved

3:10PM 4/18/2017 Update: Rolling reboots on Owens have started to address this GPFS issue. 

We have had issues with GPFS mounts on Owens Cluster since Friday afternoon,... Read more

6 years 11 months ago 6 years 11 months ago
GPFS errors on compute nodes filesystem Resolved

We've seen an increase in transient problems that result in compute nodes losing access to the GPFS file systems for ~5 minutes.

Any jobs running on these nodes accessing files on GPFS may... Read more

3 years 3 months ago 2 years 3 months ago

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