Scratch partition...

[Geraldo Pereira de Souza]

People,

In http://www.cacr.caltech.edu/research/beowulf/tutorial/beosoft/
Starling describe how to build a beowulf system using some PC´s. 
I´m based in the tutorial to construct a beowulf system with 8 Pcs. Starling describe in the tutorial the the configuration of the nodes to export the filesytem. 
In a point he say:

"We decided to export scratch partition from all nodes and use autofs to mount these from any node upon rquest. Our exports file looks like:
/scratch n???.cacr.caltech.edu(rw,no_root_squash)"

I´m new with administration of linux, but my question is: What is scratch partition?
Must i create the directory /scratch ?


Thanks,


Geraldo Pereira de Souza (geraldo at cic.unb.br)
Laboratório de Sistemas Integrados e Concorrentes - LAICO
Universidade de Brasília - UNB
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