Database Backup and Recovery (MOSC)

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Error ORA-01157

edited Jul 6, 2010 7:15AM in Database Backup and Recovery (MOSC) 14 commentsAnswered
 Hi,

I tried some manipulations on my DB (some of you saw certainly previous discussion on "changing SID"

When starting up the DB (PMGWF2P) I have the message :

ORA-01157 : impossible d'identifier ou de verrouiller le fichier de données 2

Voir le fichier trace DBWR

ORA-01110: fichier de données 2

/database/oracle/PMGWF2P/undo/UNDO_001_PMGWF2P.dbf

 What can I do....

Thanks a lot for your help

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