ORA-01157: cannot identify/lock data file % - see DBWR trace file - followed by ORA-01110 ORA-27086 (Doc ID 2183663.1)

Last updated on SEPTEMBER 19, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 to 11.1.0.7 [Release 11.1]
Information in this document applies to any platform.

Symptoms

Getting the below error while starting the database

ORA-01157: cannot identify/lock data file 17 - see DBWR trace file
ORA-01110: data file 17: '/oradata/orcl/APP_DAT.DBF'
ORA-27086: unable to lock file - already in use
SVR4 Error: 11: Resource temporarily unavailable
Additional information: 8
 

Cause

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