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Exporting large database with minimum access to system

I need to export a large database with minimum access to the system, so I need to test my export script in isolation. This script gives me a warning that it has ignored the FILESIZE parameter and changed it to zero. What do you suggest?

I need to export a large (2 TB) database with minimum access to the system, so I need to test my export script in isolation. At the moment, the following script gives me a warning that it has ignored the FILESIZE parameter and changed it to zero.
BUFFER=200000
RECORDLENGTH=64000
FILE=Ora81Export1.dmp, Ora81Export2.dmp, 
Ora81Export3.dmp, Ora81Export4.dmp 
FILESIZE=20k 
LOG=Export.log 
FULL=y 
COMPRESS=y
I am practicing on a very small database that produces a 2.6 K export file and don't have the means to create anything significantly bigger. I need to force the export to create multiple .dmp files to ensure I'm not caught out by the 2 GB limit. What do you suggest?
You did not include a version, but from the FILE parameter, it looks like you are using Oracle 8.1. In Oracle 8.1, the export utility can write to files larger than 2 GB in size provided your OS supports large files. So you do not have to worry about getting around the 2 GB file limitation as this limit no longer exists.

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