Converting a Snapshot Standby Back to a Physical Standby using DGMGRL
DGMGRL> convert database india_stby to physical standby;
Converting database "india_stby" to a Physical Standby database, please wait...
Operation requires shut down of instance "india_stby" on database "india_stby"
Shutting down instance "india_stby"...
Connected to "india_stby"
Database closed.
Database dismounted.
ORACLE instance shut down.
Operation requires start up of instance "india_stby" on database "india_stby"
Starting instance "india_stby"...
ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance
ORACLE instance started.
Database mounted.
Connected to "india_stby"
Continuing to convert database "india_stby" ...
Database "india_stby" converted successfully
DGMGRL>
DGMGRL> sql 'alter system switch logfile';
Succeeded.
DGMGRL> show configuration
Configuration - india
Protection Mode: MaxPerformance
Members:
india - Primary database
india_stby - Physical standby database
Warning: ORA-16854: apply lag could not be determined
Fast-Start Failover: DISABLED
Configuration Status:
WARNING (status updated 45 seconds ago)
DGMGRL>
DGMGRL> show configuration;
Configuration - india
Protection Mode: MaxPerformance
Members:
india - Primary database
india_stby - Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS (status updated 21 seconds ago)
DGMGRL>
on standby database table hr.abc_snap table does not exist which we created when database role was snapshot standby
===================================================================
[oracle@ip-10-0-1-37 ~]$ sqlplus "/as sysdba"
SQL*Plus: Release 12.2.0.1.0 Production on Wed May 26 11:19:33 2021
Copyright (c) 1982, 2016, Oracle. All rights reserved.
Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
SQL> select * from hr.abc_snap;
select * from hr.abc_snap
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> select name ,open_mode,database_role from v$database;
NAME OPEN_MODE DATABASE_ROLE
--------- -------------------- ----------------
INDIA READ ONLY WITH APPLY PHYSICAL STANDBY
SQL>
No comments:
Post a Comment