ORA-27300: OS system dependent operation:open failed with status: 2
Last updated on DECEMBER 06, 2016
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
Information in this document applies to any platform.
*** Checked for relevance on 5-Apr-2016 ***
The following errors being logged in Database alert log
++ DB might have been upgraded recently during which some files has been manually deleted.
++ Few Files in $ORACLE_HOME/dbs location could have been deleted while database was running.
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