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Adding or Dropping of Redo and StandBy Redo file in Dataguard Standby Environment

 

Adding or Dropping Redo and StandBy Redo files in Dataguard Standby Environment

On Standby Server


Redo Log File

1.0.
ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;

1.1.

Show parameter STANDBY_FILE_MANAGEMENT
ALTER SYSTEM SET STANDBY_FILE_MANAGEMENT = MANUAL;

1.2.

set line 400 pages 150
col GROUP# for 99
col THREAD# for 99
col STATUS for a9
col MEMBERS for 999999
col member for a64
select l.GROUP#,l.THREAD#,l.STATUS,l.MEMBERS,f.member from v$log l inner join v$logfile f on (l.GROUP#=f.GROUP#);

1.3.

ALTER DATABASE ADD LOGFILE '/u01/app/oracle/oradata/cbsdgdb1/redo01.log' SIZE 1024M;
ALTER DATABASE ADD LOGFILE '/u01/app/oracle/oradata/cbsdgdb1/redo02.log' SIZE 1024M;
ALTER DATABASE ADD LOGFILE '/u01/app/oracle/oradata/cbsdgdb1/redo03.log' SIZE 1024M;

1.4.

alter system switch logfile;

1.5.

ALTER DATABASE DROP LOGFILE '/u01/app/oracle/oradata/oradbcdb/redo01.log';
ALTER DATABASE DROP LOGFILE '/u01/app/oracle/oradata/oradbcdb/redo02.log';
ALTER DATABASE DROP LOGFILE '/u01/app/oracle/oradata/oradbcdb/redo03.log';

standby redo log file

2.0.
set line 400 pages 150
col GROUP# for 99
col THREAD# for 99
col STATUS for a12
col MEMBERS for 999999
col member for a64
select l.GROUP#,l.THREAD#,l.STATUS,f.member from v$STANDBY_LOG l inner join v$logfile f on (l.GROUP#=f.GROUP#);

2.1.

alter database add standby logfile '/u01/app/oracle/oradata/cbsdgdb1/standbyredo01.log' size 1024m;
alter database add standby logfile '/u01/app/oracle/oradata/cbsdgdb1/standbyredo02.log' size 1024m;
alter database add standby logfile '/u01/app/oracle/oradata/cbsdgdb1/standbyredo03.log' size 1024m;
alter database add standby logfile '/u01/app/oracle/oradata/cbsdgdb1/standbyredo04.log' size 1024m;
alter database add standby logfile '/u01/app/oracle/oradata/cbsdgdb1/standbyredo05.log' size 1024m;

2.2.

ALTER DATABASE DROP STANDBY LOGFILE '/u01/app/oracle/oradata/cbsdgdb2/standby1.log';
ALTER DATABASE DROP STANDBY LOGFILE '/u01/app/oracle/oradata/cbsdgdb2/standby2.log';
ALTER DATABASE DROP STANDBY LOGFILE '/u01/app/oracle/oradata/cbsdgdb2/standby3.log';
ALTER DATABASE DROP STANDBY LOGFILE '/u01/app/oracle/oradata/cbsdgdb2/standby4.log';
ALTER DATABASE DROP STANDBY LOGFILE '/u01/app/oracle/oradata/cbsdgdb2/standby5.log';

2.3.

alter database drop standby logfile group 5;
alter database clear logfile group 5;

2.4.

ALTER SYSTEM SET STANDBY_FILE_MANAGEMENT=AUTO;
ALTER DATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT;

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