RAC Database Clone or RMAN Duplicate Database:
==============================================
RAC to RAC Database Clone scenario - RMAN Duplicate Database - RMAN clone for RAC DB
1. Prestep take source DB backups and transfer it to target:
2. Database Clone or RMAN Duplicate Database on target:
3. Post Restore/Clone Steps:
1. Prestep take source DB backups and tranfer it to target
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rman target /
run {
allocate channel ch1 device type disk;
backup as backupset database format '/u01/backup/Fullback_%T_%U'
plus archivelog format '/u01/backup/Archive_%T_%U';
backup current controlfile format '/u01/backup/Controlback_%T_%U';
backup spfile format '/u01/backup/spfile_%T_%U';
release channel ch1;
}
scp /u01/backup/* oracle@10.38.4.110:/u01/backup/.
2. Database Clone or RMAN Duplicate Database on target:
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sqlplus / as sysdba
startup nomount pfile='/u01/app/oracle/product/19.0.0.0/dbhome_1/dbs/initTESTDB.ora';
rman auxiliary /
duplicate target database to TESTDB backup location '/u01/backup' nofilenamecheck;
sqlplus / as sysdba
select name, open_mode from v$database;
3. Post Restore/Clone Steps:
============================
1. Get a pfiles from source and modify according to target environemtn
2. Start target instance using pfiles
sqlplus / as sysdba
shut immediate
cp initTESTDB.ora initTESTDB.ora_for_clone
vi /u01/app/oracle/product/19.0.0.0/dbhome_1/dbs/initTESTDB1.ora
. oraenv
>>> TESTDB1
sqlplus / as sysdba
startup mount pfile='/u01/app/oracle/product/19.0.0.0/dbhome_1/dbs/initTESTDB1.ora';
create spfile='+DATA/TESTDB/PARAMETERFILE/spfileTESTDB.ora' from pfile='/u01/app/oracle/product/19.0.0.0/dbhome_1/dbs/initTESTDB1.ora';
shut immediate;
cp initTESTDB1.ora initTESTDB1.ora_After_RAC_Parameter_Added
Create local pfile initTESTDB1.ora point to SPFILE '+DATA/TESTDB/PARAMETERFILE/spfileTESTDB.ora'
Node1>>>
cd $ORACLE_HOME/dbs
cat > initTESTDB1.ora
spfile='+DATA/TESTDB/PARAMETERFILE/spfileTESTDB.ora'
Node2 >>>
cat > initTESTDB2.ora
spfile='+DATA/RACSB/PARAMETERFILE/spfileRACSB.ora'
sqlplus / as sysdba
startup mount;
show parameter spfile
shut immediate
Convert TESTDB database to RAC
==========================
srvctl add database -d TESTDB -n TESTDB -o '/u01/app/oracle/product/19.0.0.0/dbhome_1' -p '+DATA/TESTDB/PARAMETERFILE/spfileTESTDB.ora' -t IMMEDIATE -a 'DATA,RECO'
Add the NODE instances
srvctl add instance -d TESTDB -i TESTDB1 -n oraclenode1
srvctl add instance -d TESTDB -i TESTDB2 -n oraclenode2
srvctl config database -d TESTDB
srvctl status database -d TESTDB
srvctl start database -d TESTDB
srvctl status database -d TESTDB
srvctl stop database -d TESTDB
cp initTESTDB1.ora initTESTDB1.ora_Pointing_To_spfile
Regards,
Mallik
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