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gfimport_fixed

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Langue: en

Version: 06 June 2003 (ubuntu - 24/10/10)

Section: 1 (Commandes utilisateur)

NAME

gfimport_fixed - divide and register a fixed-size data file

SYNOPSIS

gfimport_fixed [ options ] file

DESCRIPTION

gfimport_fixed is a sample program for dividing a file to file fragments and registering it to the Gfarm filesystem.

OPTIONS

-H
hostfile specifies a hostname list of filesystem nodes. The hostfile consists of a hostname of a filesystem node in each line. The file is uniformly divided into file fragments, each file fragment except the last one having the same size. if ``-'' is specified, standard input is used to read the host list.
-f fragment file
specifies a fragment file that consists of a fragment size and a filesystem node separated by a white space in each line.

if ``-'' is specified, standard input is used.

-l record size
specifies the size of fixed-size records in bytes. With this option, file is divided by the multiple size of the record size. Default size is 1.
-o gfarm-URL
specifies an output file.
-?
displays a list of command options.

EXAMPLES

IMPORTING BY SPLITTING TO SPECIFIED NUMBER OF FRAGMENTS

The following is an example using gfimport_fixed to import a source_file as gfarm:file by splitting to 8 fragments.

 gfsched -N 8 | gfimport_fixed -H - -o gfarm:file source_file
 

IMPORTING BY SPLITTING TO SPECIFIED NUMBER OF FRAGMENTS FOR PARTICULAR PROGRAM

The following is an example using gfimport_fixed to import a source_file as gfarm:file by splitting to 8 fragments to be processed by gfarm:prog program.

 gfsched -N 8 -p gfarm:prog | gfimport_fixed -H - -o gfarm:file source_file
 

IMPORTING INTO SAME DISPOSITION WITH AN EXISTING GFARM FILE

The following is an example using gfimport_fixed to import a source_file as gfarm:file into same disposition with existing file gfarm:template.

 gfsched gfarm:template | gfimport_fixed -H - -o gfarm:file source_file
 

SEE ALSO

gfimport_text(1), gfsched(1), gfarm.conf(5)

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