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
Login problem Resolved

Around 10am EDT, OSC began to experience problems with our infrastructure.  Login sessions began to be affected around 11:30 EDT. The problem was resolved around 1pm EDT, and all systems have...

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2 years 5 months ago 2 years 5 months ago
Issues with GPFS filesystem since Saturday May 18 filesystem Resolved

Update Posted on 20 May 2019 13:24

We fixed the problem with both project and scratch filesystem. Please contact oschelp@osc.edu if...

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7 years 4 months ago 7 years 4 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...

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5 years 7 months ago 1 year 3 months ago
Dec 27, 2016: Issues with /fs/project filesystem Resolved

Dec 27, 2016 3:46PM Update: Both project and scratch file systems (/fs/project and /fs/scratch ) are back to normal now.  Some users' jobs may be...

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9 years 9 months ago 9 years 9 months ago
MPI-IO issues on home directories with Intel MPI 2019.3 Pitzer, Software Resolved
(workaround)

Certain MPI-IO operations with intelmpi/2019.3 may crash, fail or proceed with errors on the home directory. We do not expect the same issue on our GPFS file system, such as the...

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1 year 4 months ago 1 year 4 months ago
Reboot of Public-Facing Systems for Security Fix Resolved

Updates on May 12:

All  public-facing systems have been rebooted. 

Original Post:

Due to a critical...

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5 months 1 week ago 5 months 2 hours ago
my.osc.edu is NOT available Account Management Resolved

my.osc.edu has not been fully restored after yesterday's downtime. You can change your password, but you will not be able to use the new password on my.osc.edu. The updated password will work to...

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9 years 4 months ago 9 years 4 months ago
OSC Service Outage Notification Outage Resolved

We are currently experiencing outages affecting multiple services, including OnDemand (ondemand.osc.edu) and login nodes of HPC systems. Our team is actively investigating and working to resolve...

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1 year 3 months ago 1 year 3 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...

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2 months 1 week ago 2 months 1 week ago
Lustre, Infiniband Operational and Being Monitored Closely filesystem Resolved

UPDATE: Most users should no longer see any issues with Lustre.


Again, please continue to notify OSC Help of any errors you see in job output. For example, you might see "...

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12 years 2 months ago 12 years 2 months ago

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