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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

5 TB

4 GB

NFS

none

Group Project directories

$PROJECTS

/projects

20 TB

100 GB per group

NFS

none

Work storage space$WORK/storage/hpc/work214 TB2 TB per groupNFSnone

Shared Scratch high performance I/O

$SHARED_SCRATCH

/scratch

157 TB

None

Lustre

14 days

Local Scratch on each node

$TMPDIR

/tmp

4 TB

None

Local

at the end of each job

 

$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.

 

$WORK on login nodes

$WORK is only available on the login nodes. Data can be copied between $WORK and $SHARED_SCRATCH before/after running jobs.