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Former Member
Apr 13, 2009 at 02:52 PM

ORA-01157: cannot identify/lock data file 1 - see DBWR trace file

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Hi all,

the following is the error when im trying to start the database,

ORACLE instance started.

Total System Global Area 1.6677E+10 bytes

Fixed Size 2113280 bytes

Variable Size 1.5821E+10 bytes

Database Buffers 838860800 bytes

Redo Buffers 14663680 bytes

Database mounted.

ORA-01157: cannot identify/lock data file 1 - see DBWR trace file

ORA-01110: data file 1: '/oracle/RT1/sapdata1/system_1/system.data1'

How should i overcome through this errors , Please advice me.