Diagram of
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stampede2 directories and what connects to what, and how fast
Stampede stampede2 is a collection of 6,400 computers connected to three file servers, each with unique characteristics.
You need to understand the file servers to know how to use them.
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$HOME | $WORK | $SCRATCH | |
|---|---|---|---|
Purged? | No | No | Files can be purged if not accessed for 10 days. |
Backed Up? | Yes | No | No |
Capacity | 5GB | 1TB | Basically infinite. 8.5 PB |
Command to Access | cdh | cdw | cds |
Purpose | Store Executables | Store Files | Run Jobs |
Executables that aren't available on TACC through the "module" command should be stored in $HOME.
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Now let's go on to look at how jobs are run on Stampedestampede2.