Jeff has provided you with a good solution, there are some good scripts in the tips section.
If you rellay want to look into unlimiting your file max block size then :
a.Log in as the user runing the export(oracle) NOT root.
b. ulimit on it's own is not good enough. you need to specify a parameter as there are many resource limits that ulimit will supply information on. 'man ulimit' will tell you what each parameter means, use the right one!
ulimit -f usually tells you max number of blocks on files.
ulimit -a usually lists limits for all resources.
You need to know max number of blocks on files.
You can either set ulimit -f unlimited for current session or change kernal parameters
In SCO Unixware SFSZLIM and HFSZLIM are set to 0x7FFFFFFF for unlimited.
For further help on your flavour of unix visit :
http://www.unix.com
Suresh
Once you have eliminated all of the impossible,
whatever remains however improbable,
must be true.
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