ORA-01157: Cannot Identify/lock Data File (Doc ID 1593130.1)

Last updated on JULY 04, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.
*** Checked for relevance on 22-Mar-2016 ***

Symptoms

# Startup upgrade from 11.2.0.4 home fails

Similar messages can be notice in the trace file:

DDE: Problem Key 'ORA 1110' was flood controlled (0x1) (no incident)
ORA-01110: data file 6: '/oraapps/tst7/tst7data1/eul01.dbf'
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/oraapps/tst7/tst7data1/eul01.dbf'

  The locking messages appear after the mount:

 
 

 

Changes

 Upgrading the database release

Cause

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