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
Poor performance with hybrid MPI+OpenMPI jobs and more than 4 MPI Tasks on multiple nodes Software Resolved
(workaround)

RELION versions prior to 5 may exhibit suboptimal performance in hybrid MPI+OpenMP jobs when the number of MPI tasks exceeds four across multiple nodes.

Workaround...

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1 year 1 month ago 1 year 1 month ago
Ruby is offline Operations Resolved

The Ruby Transitional Cluster (only open to select research groups) is currently offline due to network problems. We expect it will return to service some time after the downtime.

12 years 11 months ago 12 years 7 months ago
Intermittent home directory performance issues filesystem Resolved

Users may experience performance issues in home directory. It is recommended to use temporary directory ($TMPDIR, or scratch) or project storage to minimize the impact on...

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3 years 2 months ago 3 years 1 month ago
Oakley and Owens queue issue Batch Resolved

We are experiencing a problem with the queuing system on oakley and owens that is delaying or preventing new jobs from running. Our systems staff is investigating.

 

8 years 8 months ago 8 years 8 months ago
ACEs of a file in user's home directory will be lost using vim or cp filesystem Resolved

Access Control Entries (ACEs) of a file in the user's home directory will be lost if the file is modified using vim.  In addition, the newly created file using the cp...

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8 years 1 month ago 8 years 1 month ago
Client Portal inaccessible client portal Resolved

All users are currently unable to login to OSC client portal.

When attempting to login to OSC...

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5 years 8 months ago 5 years 8 months ago
module spider/avail/show not showing MPI dependent modules Ruby Resolved

On Ruby, the commands:

  • module spider
  • module avail
  • module show...
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11 years 4 months ago 10 years 11 months ago
Intermittent failure of default CPU binding 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.

$ORCA/orca h2o.in...
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1 year 4 months ago 1 year 4 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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1 month 1 week ago 1 month 1 week ago
Data on /fs/scratch is not accessible filesystem Resolved

Updated on 10:30 AM July 3rd, 2019:

Data on /fs/scratch is accessible now. We are working with the vendor to find the root cause and apologize for any inconvenience.  ...

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7 years 2 months ago 7 years 2 months ago

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