ORA-01157 Cannot Identify Lock On Datafile Error During Upgrade
Last updated on DECEMBER 06, 2016
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 11.2]
Information in this document applies to any platform.
*** Checked for relevance on 12-Apr-2016 ***
ALTER DATABASE OPEN MIGRATE
ERROR: clonedb parameter not set. Make sure clonedb=TRUE is set
Errors in file /oracle/admin/DB/diag/rdbms/db/DB_new/trace/DB_new_dbw0_31749.trc:
ORA-01157: cannot identify/lock data file 107 - see DBWR trace file
ORA-01110: data file 107: '/dev/mapper/oraDB_data_008_4600Mp3'
ORA-17503: ksfdopn:1 Failed to open file /dev/mapper/oraDB_data_008_4600Mp3
ORA-17515: Creation of clonedb failed using snapshot file
Datafile is corrupt or not restored properly from backup.
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