Owens

Proposed OSC Policies for Public Comments

This page lists all proposed OSC policies for public comments. Your comments help inform our policies and are encouraged. We will provide the response to comments on this webpage after the public comment period closes. Please submit your comments via our online form by the deadline. 

Currently Open for Public Comment:

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NAMD 2.12 now available on Owens

Date: 
Friday, February 10, 2017 - 3:15pm
System(s): 

NAMD 2.12 has been installed on Owens; usage is via the module namd/2.12. For information on available executables and installation details see the software page for NAMD or the output of the module help command, e.g.: module help namd/2.12.  On February 22, 2016, NAMD 2.12 will become available on all clusters, and 2.12 will become the default version.

HOWTO: Reduce Disk Space Usage

This HOWTO will demonstrate how to lower ones' disk space usage. The following procedures can be applied to all of OSC's file systems.

We recommend users regularly check their data usage and clean out old data that is no longer needed.

Users who need assistance lowering their data usage can contact OSC Help.

LAMMPS 14May16 too-many-threads known issue fixed

Date: 
Wednesday, November 30, 2016 - 3:45pm
System(s): 

The LAMMPS 14May16 known issue wherein parallel lammps spawned too many threads has been fixed on all clusters.  No user action is required; if a user had applied the OMP_NUM_THREADS workaround then it may be removed, but it will not cause probems if left in place. The corrected executables were made the defaults for module lammps/14may16 at these times:

Technical Specifications

The following are technical specifications for Owens.  

Number of Nodes

824 nodes

Number of CPU Sockets

1,648 (2 sockets/node)

Number of CPU Cores

23,392 (28 cores/node)

Cores Per Node

28 cores/node (48 cores/node for Huge Mem Nodes)

Local Disk Space Per Node

~1,500GB in /tmp

Amber 16 now available

Date: 
Friday, July 29, 2016 - 4:15pm
System(s): 

Amber 16 has been installed on the OSC clusters; usage is via the module amber/16. For information on available executables and installation details see the software page for Amber or the output of the module help command, e.g.: module help amber/16.  On August 15, 2016 Amber 16 will be made the default amber module.

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