Difference: BasicSe (3 vs. 4)

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Using the Storage Elements (_SE) of the Grid

Command line tools

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The files are stored on Storage Elements on the Grid. These are computers with very large disk space (in the order of 100TB), located at different sites. Usually these have different physical file administration schemes. Therefore, a logical layer was built on top of them, which makes the file access uniform from the user point of view. To use this facility , use the environmental variable LCG_CATALOG_TYPE:
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The files are stored on Storage Elements on the Grid. These are computers with very large disk space (in the order of 10TB), located at different sites. Usually these have different physical file administration schemes. Therefore, a logical layer was built on top of them, which makes the file access uniform from the user point of view. To use this facility , use the environmental variable LCG_CATALOG_TYPE:
 
export LCG_CATALOG_TYPE=lfc
(for bash), or
setenv LCG_CATALOG_TYPE lfc
(for tcsh).
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 The Grid File Access Library (GFAL) is a collection of read/write C routines. It is imitating the C file read/write routines. We refer to the man pages of gfal.
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-- AndrasLaszlo - 17 Sep 2007

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-- AndrasLaszlo - 10 Jul 2009
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