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A summary of all filesystems available to all users is presented in the following table:

Filesystem

Accessed via environment variable

Physical Path

Size

Quota

Type

Purge Policy

Home directories

$HOME

/home

1.8 TB

5 GB

NFS

None

Group Project directories

$PROJECTS

/projects

18 TB

50 GB per group

NFS

None

Shared Scratch high performance I/O

$SHARED_SCRATCH

/poscratch

361 TB

None

GPFS

Every 14 days, but can be purged on short notice.

Local Scratch on each node

$LOCAL_SCRATCH

/tmp

375 GB

None

Local

When the compute job exits.

 

$SHARED_SCRATCH is not permanent storage

$SHARED_SCRATCH is to be used only for job I/O.  Delete everything you do not need for another run at the end of the job or move to $WORK for analysis. Staff may periodically delete files from the $SHARED_SCRATCH file system even if files are less than 14 days old. A full file system inhibits use of the system for everyone. Using programs or scripts to actively circumvent the file purge policy will not be tolerated.