CREATE CATALOG AND RECOVER CONTROLFILE WITH CATALOG
| PRIMARY | CATALOG | |
| HOSTNAME | 192.168.1.33 | 192.168.1.21 |
| DB PORT | 1521 | 1525 |
| DB NAME | VIYANI | CATDB |
- In Oracle, A catalog is a collection of data dictionaries that store metadata, such as the structure of tables, views, and indexes.
- You can create a catalog in Oracle using the following steps:
TARGET (CATDB): 192.168.1.21
[oracle@test ~]$ export ORACLE_SID=catdb [oracle@test ~]$ [oracle@test ~]$ sqlplus / as sysdba
SQL*Plus: Release 19.0.0.0.0 – Production on Sun Feb 5 18:13:37 2023
Version 19.3.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 – Production
Version 19.3.0.0.0
SQL> select name, open_mode from v$database;
NAME OPEN_MODE
——— ——————–
CATDB READ WRITE
SQL> show user;
USER is “SYS”
SQL> select name from v$datafile;
NAME
——————————————————————————–
/u01/app/oracle/oradata/CATDB/datafile/o1_mf_system_kxz2lgq9_.dbf
/u01/app/oracle/oradata/CATDB/datafile/o1_mf_sysaux_kxz2mwdn_.dbf
/u01/app/oracle/oradata/CATDB/datafile/o1_mf_undotbs1_kxz2nokf_.dbf
/u01/app/oracle/oradata/CATDB/datafile/o1_mf_users_kxz2npop_.dbf
SQL> create tablespace rmantbs datafile ‘/u01/app/oracle/oradata/CATDB/datafile/rman_01.dbf’ size 1G;
Tablespace created.
SQL> select tablespace_name, sum(bytes)/1024/1024/1024 as tbs_size from dba_data_files where tablespace_name=‘RMANTBS’ group by tablespace_name;
TABLESPACE_NAME TBS_SIZE
—————————— ———-
RMANTBS 1
SQL> create user rman identified by rman123
2 default tablespace rmantbs
3 temporary tablespace temp
4 quota unlimited on rmantbs;
User created.
SQL> grant connect, resource to rman;
Grant succeeded.
SQL> grant recovery_catalog_owner to rman;
Grant succeeded.
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 – Production
Version 19.3.0.0.0
- COPY AND PAST THE TNSNAMES.ORA FILE IN BOTH SERVERS.
[oracle@xavier ~]$ cd $ORACLE_HOME/network/admin [oracle@xavier admin]$ ls
listener.ora samples shrept.lst sqlnet.ora tnsnames.ora
[oracle@xavier admin]$ vi tnsnames.ora >>>>> To save press esc:wq [oracle@xavier admin]$
Or we may copy the file using cat command also…
[oracle@xavier admin]$ cat >> tnsnames.ora >>>>>> with ending CTL+D
[oracle@xavier admin]$ cat tnsnames.ora
VIYANI =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.33)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = viyani)
)
)
LISTENER_CATDB =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.21)(PORT = 1525))
CATDB =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.21)(PORT = 1525))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = catdb)
)
)
SOURCE (VIYANI): 192.168.1.33
[oracle@xavier ~]$ export ORACLE_SID=viyani
[oracle@xavier ~]$ rman target / catalog rman/rman123@catdb
Recovery Manager: Release 19.0.0.0.0 – Production on Sun Feb 5 18:34:24 2023
Version 19.3.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.
connected to target database: VIYANI (DBID=1110182900)
connected to recovery catalog database
RMAN> create catalog;
recovery catalog created
RMAN> register database;
database registered in recovery catalog
starting full resync of recovery catalog
full resync complete
RMAN> resync catalog;
starting full resync of recovery catalog
full resync complete
RECOVER CORRUPTED CONTROLFILE WITH CATALOG DATABASE:
SQL> shutdown immediate;
ORA-00210: cannot open the specified control file
ORA-00202: control file: ‘/u01/app/oracle/oradata/VIYANI/controlfile/o1_mf_kvyjpwvp_.ctl’
ORA-27041: unable to open file
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
SQL> shutdown abort;
ORACLE instance shut down.
SQL> startup nomount
ORACLE instance started.
Total System Global Area 1795159104 bytes
Fixed Size 8897600 bytes
Variable Size 469762048 bytes
Database Buffers 1308622848 bytes
Redo Buffers 7876608 bytes
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 – Production
Version 19.3.0.0.0
[oracle@xavier ~]$ rman target / catalog rman/rman123@catdb
Recovery Manager: Release 19.0.0.0.0 – Production on Mon Feb 6 15:00:09 2023
Version 19.3.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.
connected to target database: VIYANI (not mounted)
connected to recovery catalog database
RMAN> restore controlfile;
Starting restore at 06-FEB-23
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=38 device type=DISK
channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: reading from backup piece /u01/app/oracle/fast_recovery_area/VIYANI/autobackup/2023_01_31/cf_c-1110182900-20230206-01
channel ORA_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/VIYANI/autobackup/2023_01_31/cf_c-1110182900-20230206-01 tag=TAG20230206T145443
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
output file name=/u01/app/oracle/oradata/VIYANI/controlfile/o1_mf_kvyjpwvp_.ctl
Finished restore at 06-FEB-23
RMAN> alter database mount;
released channel: ORA_DISK_1
Statement processed
RMAN> recover database;
Starting recover at 06-FEB-23
Starting implicit crosscheck backup at 06-FEB-23
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=44 device type=DISK
Crosschecked 15 objects
Finished implicit crosscheck backup at 06-FEB-23
Starting implicit crosscheck copy at 06-FEB-23
using channel ORA_DISK_1
Finished implicit crosscheck copy at 06-FEB-23
searching for all files in the recovery area
cataloging files…
cataloging done
List of Cataloged Files
=======================
File Name: /u01/app/oracle/fast_recovery_area/VIYANI/autobackup/2023_01_31/cf_c-1110182900-20230206-01
using channel ORA_DISK_1
starting media recovery
archived log for thread 1 with sequence 2 is already on disk as file /u01/app/oracle/oradata/VIYANI/onlinelog/o1_mf_2_kvyjpzg3_.log
archived log file name=/u01/app/oracle/oradata/VIYANI/onlinelog/o1_mf_2_kvyjpzg3_.log thread=1 sequence=2
media recovery complete, elapsed time: 00:00:00
Finished recover at 06-FEB-23
RMAN> alter database open resetlogs;
Statement processed
new incarnation of database registered in recovery catalog
starting full resync of recovery catalog
full resync complete
RMAN> exit
[oracle@xavier ~]$ [oracle@xavier ~]$ export ORACLE_SID=viyani[oracle@xavier ~]$ sqlplus / as sysdba
SQL*Plus: Release 19.0.0.0.0 – Production on Mon Feb 6 15:02:51 2023
Version 19.3.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 – Production
Version 19.3.0.0.0
SQL> select name, open_mode from v$database;
NAME OPEN_MODE
——— ——————–
VIYANI READ WRITE
