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Diagram of Lonestar directories and what connects to what, and how fast

Lonestar is a collection of 1,888 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 are purged if not accessed for 10 days.

Backed Up?

Yes

No

No

Capacity

1GB

250GB

Basically infinite. 1.4 PB

Command to Access

cdh

cdw

cds

Purpose

Store Executables

Store Files

Run Jobs

...

Code Block
 cp $WORK/my_fastq_data/*fastq $SCRATCH/my_project/

Image RemovedNow let's go on to look at how jobs are run on Lonestar.