Database Backup and Recovery (MOSC)

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Cannot open database after recreating controlfiles

edited Sep 11, 2012 5:05AM in Database Backup and Recovery (MOSC) 5 commentsAnswered ✓
While executing an ACTION PLAN for an SR related to creating a standby database via RMAN from the primary database, I inadvertently deleted all 3 controlfiles from my primary database instead of the standby.

I was able to recreate the controlfiles with information from the alert log:

CREATE CONTROLFILE REUSE DATABASE "ctxmkt" NORESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3 
MAXDATAFILES 100 
MAXINSTANCES 8 
MAXLOGHISTORY 1

LOGFILE
GROUP 1 ('/sg1/u02/ctxmkt/redo01.log', '/sg1/u03/ctxmkt/redo01a.log') SIZE 51200K,

GROUP 2 ('/sg1/u03/ctxmkt/redo02.log', '/sg1/u04/ctxmkt/redo02a.log') SIZE 51200K,

GROUP 3 ('/sg1/u04/ctxmkt/redo03.log', '/sg1/u02/ctxmkt/redo03a.log') SIZE 51200K

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