[Beowulf] Naming Convention Survey
Brian R Smith
brian at cypher.acomp.usf.edu
Mon Jan 9 18:46:23 EST 2006
1) /home - backed-up, secure, intended for long-term storage. Great
performance from the head node (for compiling software). Mounted NFS across
cluster for read access.
2) /scratch - PVFS2, intended for use during job runs, accessible by all nodes
and head node. Not bad at all for a free, COTS solution for a
high-performance file system.
3) /scratch-local - Local scratch space, usually on the order of about 80 GB
for jobs that need better performance/latency than PVFS2 over GigE offers.
In a sense, exactly as you described:
/home - a place to compile and keep "stuff"
/scratch - a bit of disk to use while code is running
/scratch-local - a bit of disk with special characteristics, likely
Although, I would like to shorten the name of /scratch-local at some point...
seems a bit too much (this from a guy who loves two-letter commands and
meaningless 1 letter variables in his shell code... commented thoroughly, of
On Monday 09 January 2006 14:28, Brian D. Ropers-Huilman wrote:
> Simple question, likely a complicated answer. Cluster systems should have
> up to three distinct file systems:
> 1) a place to compile and keep "stuff"
> 2) a bit of disk to use while code is running
> 3) potential a bit of disk with special characteristics, likely
> Typically #1 would be called /home. Here at LSU, #2 is typically called
> /var/scratch or /var/local/scratch. Then there is #3. Sometimes we call
> this /scratch and sometimes /work.
> My question: what do other folks call these bits of disk?
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