RE: Bring up of Cold Backup of RAC Database as NON-RAC Database,with a Few Missing Datafiles ?
- From: VIVEK_SHARMA <VIVEK_SHARMA@xxxxxxxxxxx>
- To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 25 Oct 2007 03:37:39 +0530
Folks
Attempting to Create Controlfile from "backup control file to Trace SQL Script"
(Approach 2) is failing with the following Error:-
CREATE CONTROLFILE SET DATABASE "PNBMB" RESETLOGS NOARCHIVELOG
*
ERROR at line 1:
ORA-01967: invalid option for CREATE CONTROLFILE
NOTE - 25 Datafile NAMES are mentioned in the respective "backup control file
to Trace SQL Script" which are NOT physically present (i.e. Missing) in the
respective Directory. These few datafiles have been permanently Lost. Is this
the Cause for the Above Error?
Qs 2 - Should the "backup control file to Trace SQL Script" be Edited to Remove
the Lines corresponding to the Lost Datafiles & Control file re-creation
attempted?
Qs 3 - If re-creation is successful, the Lost Datafiles may appear as
"MISSINGnnnnnn" on Opening of the Database. Can such "MISSINGnnnnnn" files be
Dropped?
Cheers
________________________________
From: ... On Behalf Of VIVEK_SHARMA
Folks
Qs For Bring up of Cold Backup of RAC Database as a NON-RAC Database (with a
Few Missing Datafiles) is RE-Creation of Control file mandatory?
CASE DETAILS - Cold backup was taken from a Testing RAC (NOT production)
Database (version 10.2.0.2) into Tapes & Database Deleted from respective
machine.
The Tapes were extracted into a machine having only a NON-RAC ORACLE_HOME (Same
version 10.2.0.2) but into a Different Directory Structure (versus that from
which backup was taken). 25 datafiles were to be found missing in the Backup
Tapes
AIM To Bring UP the Database in its present Condition.
...
Approach 2 - If Controlfile RE-Creation is Mandatory, Will the following Steps
Work?
1 - Using NON-RAC ORACLE_HOME (Same Version)
2 - Set cluster_database=FALSE, _no_recovery_through_resetlogs=TRUE in NON-RAC
init.ora
3 - Edit the Control file to Trace SQL Script to Remove the Missing Datafile
names & RE-Create the Controlfile after STARTUP NOMOUNT
4 - To RE-Create Online Redo Logs issue "ALTER DATABASE OPEN RESETLOGS"
5 - Datafiles whose names were purposely Removed from the Controlfile Trace
will appear as "MISSINGnnnnnn"
6 - Is Dropping of these ""MISSINGnnnnnn" datafiles possible?
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