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
Rolling reboot of all clusters, starting from 8 AM Tuesday, June 19, 2018 Batch, Owens, Ruby Resolved

Posted on June 12, 2018, at 4:40 PM:

We will have rolling reboots of three clusters (Owens, Ruby, and Oakley) including login and compute nodes, starting from 8 AM Tuesday...

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8 years 4 months ago 8 years 3 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
Intermittent DNS issues Resolved

3/9/15 Update: The DNS issues have been resolved.  In total, the following services may have been affected by the DNS issues:

  • Logging in / Connecting out to...
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11 years 7 months ago 11 years 7 months ago
Apptainer container builds fail on compute nodes due to /tmp namespace behavior Software Resolved
(workaround)

Building Apptainer containers on compute nodes may fail during apt update or other package operations...

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9 months 5 days ago 8 months 22 hours 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
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
MPI_THREAD_MULTIPLE is not supported with OpenMPI-HPCX 4.x Owens, Software Resolved

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...

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3 years 7 months ago 1 year 5 months 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
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...

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6 years 6 months ago 6 years 5 months 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 1 month ago

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