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9i export dump issue

edited May 31, 2012 2:57AM in Database Utilities (MOSC) 3 comments
I am trying to export a database (9.2.0.7) of size 428G (Solaris sparc 64bit). I am running export from a different server through 1G network. It took 11hrs to finish. My first attempt has failed with following error:
EXP-00056: ORACLE error 1555 encountered
ORA-01555: snapshot too old: rollback segment number 1 with name "_SYSSMU1$" too small

The contents of parameter file:
file=exp1.dmp,exp2.dmp,exp3.dmp,exp4.dmp,exp5.dmp,exp6.dmp,exp7.dmp,exp8.dmp,exp9.dmp,exp10.dmp
filesize=50G 
log=exp_1.log 
direct=Y

I tried to create dumps of size 50G each. It finished with exp1 through exp7.dmp as follows: 

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