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General Guidelines to reduce File I/O load on TACC:
TACC staff now recommends that you run your jobs out of the $SCRATCH file system instead of the global $WORK file system. Copy input files to $SCRATCH, run analyses, output should be written to $SCRATCH. Copy results to $WORK when done.
General Guidelines to when transferring files to/from TACC:
- Don't do too many (>3) simultaneous file transfers.
- If you need to transfer recursive files (directories within directories, lots of small files), create a TAR archive before transferring.
Now let's go on to look at how jobs are run on stampede2.