Content | Navigation |

Filesystems

Currently, there are 3 main network filesystems available on CCAST systems.  They are  /home (NFS), /projects (NFS), /gpfs1 (GPFS), and each compute node and server has a locally attached /scratch that is not shared with any other computers within the center.

/home

/home is to be used for management of jobs and their IO.  /home is not to be used for data or job IO nor is it designed to be used for the working directory for jobs.  /home data is backed up to tape, so it can be viewed as a reliable and persistant data storage area.  There are limits or quota's of individual's usage on /home which are displayed on login, and are queryable with the quota command at any time.  Running of jobs out of /home is not permitted as it can affect the interactive use and other jobs on the system.  Node's local /scratch or the global scratch /gpfs1/scratch is to be used for compute jobs.

 

/gpfs1

/gpfs1 is the largest and fastest filesystem at CCAST.  It is accessable on all compute nodes and servers with the convention of /gpfs1/scratch/$USERNAME, and it is designed as a place for working directories for jobs so that the files can be seen anywhere from any compute node or server.  /gpfs1 is not backed up, and files on the system not accessed within the last 40 days are automatically purged.

 

/projects

/projects has the structure of /projects/$PI_USERNAME, which is intended for a storage area to be managed by a PI and all researchers working under that PI can store data on that system.  This is a larger resource, currently about ~50TB and this area is backed up nightly to tape.  Additional space can be provided for a fee.

 

/scratch

/scratch is a local filesystem (ie, not visible from other compute nodes or servers) that is attached to each compute node and its contents are cleaned at the end of each job.

 


Student Focused. Land Grant. Research University.

Follow NDSU
  • Facebook
  • Twitter
  • RSS
  • Google Maps

CCAST Support
Phone: 701.231.5184
Physical/delivery address:  1805 NDSU Research Park Drive/Fargo, ND 58102
Mailing address:  P.O. Box 6050—Dept. 4100/Fargo, ND 58108-6050
Page manager: CCAST

Last Updated: Friday, July 28, 2017 8:31:08 AM
Privacy Statement