We are currently experiencing temporary instability on the Ascend login nodes.

A rolling reboot is in progress to address CVE-2026-23111 for all clusters, including Ascend, Cardinal, and Pitzer.

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 ascending Description Posted Updated
Storage Problems - GPFS services (Project / Scratch) filesystem Resolved

Updates at 15:52 March 11, 2020:

The issue with the Project file system that causes deletes of file system snapshots to fail has now been resolved. OSC Project file system...

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6 years 3 months ago 6 years 3 months ago
Unavailability of intel channel among the conda channel list: Software Resolved

If you are getting an error: 

UnavailableInvalidChannel: HTTP 403 FORBIDDEN for channel intel <...

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1 year 9 months ago 1 year 9 months ago
Issue when loading multiple Fluent or ANSYS modules simultaneously Software Resolved

Due to the way our Fluent and ANSYS modules are configured, simultaneously loading multiple of either module will cause a cryptic error.  The most common case of this happening is when multiple of...

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11 years 8 months ago 10 years 7 months ago
Client Portal: Intermittent Outages Account Management, Account/Shell, Login Problems, Outage Resolved

We are experiencing infrastructure issue on the servers that host the Client Portal (my.osc.edu).

Outages are intermittent.

We apologize for the...

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7 years 4 months ago 6 years 11 months ago
Problems with GPFS filesystem, and OnDemand is not working filesystem Resolved

Updates on 12:00pm June 10:

The issue is fixed. All impacted services return to production.

We apologize for the inconvience. If you have any questions, please...

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5 years 6 days ago 5 years 6 days 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 weeks ago 7 years 4 weeks ago
Problems with home directory servers filesystem Resolved

We had several auto-reboots with our home directory servers, starting from around 11pm August 30. Jobs might be impacted. The systems are working properly now.  

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4 years 9 months ago 4 years 9 months ago
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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10 months 1 week ago 10 months 1 week 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 5 months ago 9 years 5 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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2 years 11 months ago 2 years 11 months ago

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