Wednesday, 18 December 2019

RAC convert physical standby to snapshot database

[oracle@srv3 rmanbkp]$ . oraenv
ORACLE_SID = [stdrac] ?
The Oracle base remains unchanged with value /u01/app/oracle
[oracle@srv3 rmanbkp]$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Fri Dec 13 17:20:58 2019

Copyright (c) 1982, 2014, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

SQL> ALTER SYSTEM SET db_flashback_retention_target = 2880 SCOPE = BOTH;

System altered.

SQL> sho parameter db_recovery

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
db_recovery_file_dest                string      /u01/app/oracle/fast_recovery_
                                                 area
db_recovery_file_dest_size           big integer 4560M
SQL> select name,open_mode,database_role from v$database;

NAME      OPEN_MODE            DATABASE_ROLE
--------- -------------------- ----------------
RAC       MOUNTED              PHYSICAL STANDBY

SQL> select name,open_mode,database_role,db_unique_name from v$database;

NAME      OPEN_MODE            DATABASE_ROLE    DB_UNIQUE_NAME
--------- -------------------- ---------------- ------------------------------
RAC       MOUNTED              PHYSICAL STANDBY stdrac

SQL> select process,status,sequence#,thread# from v$managed_standby;

PROCESS   STATUS        SEQUENCE#    THREAD#
--------- ------------ ---------- ----------
ARCH      CLOSING             610          1
ARCH      CLOSING             607          1
ARCH      CONNECTED             0          0
ARCH      CLOSING             609          1
RFS       IDLE                640          2
RFS       IDLE                  0          0
RFS       IDLE                611          1
RFS       IDLE                  0          0
MRP0      WAIT_FOR_LOG        640          2

9 rows selected.

SQL> alter database recover managed standby database cancel;

Database altered.

SQL> select process,status,sequence#,thread# from v$managed_standby;

PROCESS   STATUS        SEQUENCE#    THREAD#
--------- ------------ ---------- ----------
ARCH      CLOSING             610          1
ARCH      CLOSING             607          1
ARCH      CONNECTED             0          0
ARCH      CLOSING             609          1
RFS       IDLE                640          2
RFS       IDLE                  0          0
RFS       IDLE                611          1
RFS       IDLE                  0          0

8 rows selected.

SQL> shut immediate;
ORA-01109: database not open


Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.

Total System Global Area  754974720 bytes
Fixed Size                  2928968 bytes
Variable Size             566234808 bytes
Database Buffers          180355072 bytes
Redo Buffers                5455872 bytes
Database mounted.
SQL> alter database convert to snapshot standby;

Database altered.

SQL> select name,open_mode,database_role from v$database;

NAME      OPEN_MODE            DATABASE_ROLE
--------- -------------------- ----------------
RAC       MOUNTED              SNAPSHOT STANDBY

SQL> select name,open_mode,database_role,db_unique_name from v$database;

NAME      OPEN_MODE            DATABASE_ROLE    DB_UNIQUE_NAME
--------- -------------------- ---------------- ------------------------------
RAC       MOUNTED              SNAPSHOT STANDBY stdrac

SQL> alter database open;

Database altered.

SQL> select name,open_mode,database_role,db_unique_name from v$database;

NAME      OPEN_MODE            DATABASE_ROLE    DB_UNIQUE_NAME
--------- -------------------- ---------------- ------------------------------
RAC       READ WRITE           SNAPSHOT STANDBY stdrac

[oracle@srv3 rmanbkp]$ sqlplus sys/system123@stdrac as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Fri Dec 13 17:31:28 2019

Copyright (c) 1982, 2014, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

SQL> select name,open_mode,database_role,db_unique_name from v$database;

NAME      OPEN_MODE            DATABASE_ROLE    DB_UNIQUE_NAME
--------- -------------------- ---------------- ------------------------------
RAC       READ WRITE           SNAPSHOT STANDBY stdrac

SQL> select FILE_NAME,TABLESPACE_NAME from dba_data_files;

FILE_NAME
--------------------------------------------------------------------------------
TABLESPACE_NAME
------------------------------
/u02/oradata/stdrac/system.279.1020351597
SYSTEM

/u02/oradata/stdrac/sysaux.271.1020351511
SYSAUX

/u02/oradata/stdrac/undotbs2.278.1020352203
UNDOTBS2


FILE_NAME
--------------------------------------------------------------------------------
TABLESPACE_NAME
------------------------------
/u02/oradata/stdrac/users.272.1020351691
USERS

/u02/oradata/stdrac/idata.284.1020709157
IDATA

/u02/oradata/stdrac/undotbs1.270.1020351693
UNDOTBS1


FILE_NAME
--------------------------------------------------------------------------------
TABLESPACE_NAME
------------------------------
/u02/oradata/stdrac/ilog.285.1020709245
ILOG

/u02/oradata/stdrac/indx.286.1020709561
INDX

/u02/oradata/stdrac/indx.291.1026913655
INDX


9 rows selected.

SQL> shut immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.

Total System Global Area  754974720 bytes
Fixed Size                  2928968 bytes
Variable Size             574623416 bytes
Database Buffers          171966464 bytes
Redo Buffers                5455872 bytes
Database mounted.
SQL> alter database convert to physical standby;

Database altered.

SQL> shut immediate;
ORA-01109: database not open


Database dismounted.
ORACLE instance shut down.
stSQL
SQL>
SQL>
SQL> startup mount;
ORACLE instance started.

Total System Global Area  754974720 bytes
Fixed Size                  2928968 bytes
Variable Size             574623416 bytes
Database Buffers          171966464 bytes
Redo Buffers                5455872 bytes
Database mounted.
SQL> select name,open_mode,database_Role from v$database;

NAME      OPEN_MODE            DATABASE_ROLE
--------- -------------------- ----------------
RAC       MOUNTED              PHYSICAL STANDBY

SQL> alter database recover managed standby database disconnect from session;

Database altered.

SQL> select process,status,sequence#,thread# from v$managed_standby;

PROCESS   STATUS        SEQUENCE#    THREAD#
--------- ------------ ---------- ----------
ARCH      CONNECTED             0          0
ARCH      CLOSING             623          1
ARCH      CONNECTED             0          0
ARCH      CONNECTED             0          0
RFS       IDLE                653          2
RFS       IDLE                  0          0
RFS       IDLE                624          1
RFS       IDLE                  0          0
MRP0      WAIT_FOR_LOG        653          2

9 rows selected.

SQL>  select process,status,sequence#,thread# from v$managed_standby;

PROCESS   STATUS        SEQUENCE#    THREAD#
--------- ------------ ---------- ----------
ARCH      CONNECTED             0          0
ARCH      CLOSING             623          1
ARCH      CONNECTED             0          0
ARCH      CONNECTED             0          0
RFS       IDLE                653          2
RFS       IDLE                  0          0
RFS       IDLE                624          1
RFS       IDLE                  0          0
MRP0      WAIT_FOR_LOG        653          2

9 rows selected.

SQL>


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