dgmgrl utility

Data Guard

dgmgrl utility

dgmgrl – Data Guard Manager (Observer) Utility, in Oracle

$dgmgrl [-silent | -echo] [username/password[@connect_identifier] [dgmgrl_command]]

$dgmgrl sys/pwd
$dgmgrl sys/[email protected]
$dgmgrl -logfile observer.log / “stop observer”
$dgmgrl sys/[email protected] “show database ‘prod'”

$dgmgrl -silent sys/[email protected] “show configuration verbose”

ADD – Adds a standby database to the broker configuration.

DGMGRL> ADD DATABASE db_name [AS CONNECT IDENTIFIER IS conn_identifier] [MAINTAINED AS {PHYSICAL|LOGICAL}];
DGMGRL> ADD DATABASE ‘testdb’ AS CONNECT IDENTIFIER IS testdb MAINTAINED AS PHYSICAL;
DGMGRL> ADD DATABASE ‘logdb’ AS CONNECT IDENTIFIER IS logdb MAINTAINED AS LOGICAL;
DGMGRL> ADD DATABASE ‘devdb’ AS CONNECT IDENTIFIER IS devdb.foo.com;
 
CONNECT – Connects to an Oracle database instance.
DGMGRL> CONNECT username/password[@connect_identifier]
DGMGRL> CONNECT sys;
DGMGRL> CONNECT [email protected];

DGMGRL> CONNECT sys/pwd;

DGMGRL> CONNECT sys/[email protected];

$dgmgrl connect sys
 
CONVERT – Converts a database from one type to another (from Oracle 11g).
DGMGRL> CONVERT DATABASE database_name TO {SNAPSHOT STANDBY|PHYSICAL STANDBY};
DGMGRL> CONVERT DATABASE ‘devdb’ to SNAPSHOT STANDBY;
DGMGRL> CONVERT DATABASE ‘devdb’ to PHYSICAL STANDBY;
CREATE – Creates a broker configuration.

DGMGRL> CREATE CONFIGURATION config_name AS PRIMARY DATABASE IS db_name CONNECT IDENTIFIER IS conn_ident;
DGMGRL> CREATE CONFIGURATION ‘dg’ AS PRIMARY DATABASE IS ‘prod’ CONNECT IDENTIFIER IS prod.foo.com;
DGMGRL> CREATE CONFIGURATION ‘dg_test’ AS PRIMARY DATABASE IS ‘test’ CONNECT IDENTIFIER IS test;
 
DISABLE – Disables a configuration, a database, or fast-start failover (FSFO).
DGMGRL> DISABLE CONFIGURATION;
DGMGRL> DISABLE CONFIGURATION;

DGMGRL> DISABLE DATABASE database_name;

DGMGRL> DISABLE DATABASE ‘devdb’;

DGMGRL> DISABLE FAST_START FAILOVER [FORCE | CONDITION condition];

DGMGRL> DISABLE FAST_START FAILOVER;
DGMGRL> DISABLE FAST_START FAILOVER FORCE;
 
EDIT – Edits a configuration, database, or instance.
DGMGRL> EDIT CONFIGURATION SET PROTECTION MODE AS {MaxProtection|MaxAvailability|MaxPerformance};
DGMGRL> EDIT CONFIGURATION SET PROTECTION MODE AS MAXPROTECTION;
DGMGRL> EDIT CONFIGURATION SET PROTECTION MODE AS MAXAVAILABILITY;
DGMGRL> EDIT CONFIGURATION SET PROTECTION MODE AS MAXPERFORMANCE;

DGMGRL> EDIT CONFIGURATION SET PROPERTY property_name = value;

DGMGRL> EDIT CONFIGURATION SET PROPERTY FastStartFailoverThreshold = 45;

 

DGMGRL> EDIT DATABASE database_name SET PROPERTY property_name = value;

DGMGRL> EDIT DATABASE devdb SET PROPERTY ‘LogArchiveFormat’=’log_%t_%s_%r_%d.arc’;
DGMGRL> EDIT DATABASE prodb SET PROPERTY LogXptMode=SYNC;
DGMGRL> EDIT DATABASE prodb SET PROPERTY LogXptMode=ASYNC;
DGMGRL> EDIT DATABASE prodb SET PROPERTY LogXptMode=ARCH;
DGMGRL> EDIT DATABASE devdb SET PROPERTY LogShipping=OFF;
DGMGRL> EDIT DATABASE prodb SET PROPERTY LogArchiveTrace=8;
DGMGRL> EDIT DATABASE prodb SET PROPERTY NetTimeout=60;
DGMGRL> EDIT DATABASE devdb SET PROPERTY ‘ReopenSecs’=300;
DGMGRL> EDIT DATABASE prodb SET PROPERTY ArchiveLagTarget=1200;
DGMGRL> EDIT DATABASE prodb SET PROPERTY FastStartFailoverTarget=’standby’;
DGMGRL> EDIT DATABASE devdb SET PROPERTY ‘StandbyArchiveLocation’=’/oradata/archive/’;

DGMGRL> EDIT DATABASE “black” SET PROPERTY ‘DbFileNameConvert’ = ‘/u01/od01/datafile/, /oradisk/od01/datafile/’;
DGMGRL> EDIT DATABASE ubp SET PROPERTY DelayMins=’720′;
DGMGRL> EDIT DATABASE database_name RENAME TO new database_name;
DGMGRL> EDIT DATABASE ‘devdbb’ RENAME TO ‘devdb’;

DGMGRL> EDIT DATABASE database_name SET STATE = state [WITH APPLY INSTANCE = instance_name];
DGMGRL> EDIT DATABASE devdb SET STATE=’READ-ONLY’;
DGMGRL> EDIT DATABASE devdb SET STATE=’OFFLINE’;
DGMGRL> EDIT DATABASE devdb SET STATE=’APPLY-OFF’;
DGMGRL> EDIT DATABASE devdb SET STATE=’APPLY-ON’;
DGMGRL> EDIT DATABASE devdb SET STATE=’TRANSPORT-OFF’;
DGMGRL> EDIT DATABASE devdb SET STATE=’TRANSPORT-ON’;
DGMGRL> EDIT DATABASE prodb SET STATE=’LOG-TRANSPORT-OFF’;
DGMGRL> EDIT DATABASE devdb SET STATE=’ONLINE’ WITH APPLY INSTANCE=devdb2;

DGMGRL> EDIT INSTANCE instance_name [ON DATABASE database_name] SET AUTO PFILE [={init_file_path|OFF}];

DGMGRL> EDIT INSTANCE ‘devdb1’ ON DATABASE ‘devdb’ SET AUTO PFILE=’initdevdb1.ora’;


DGMGRL> EDIT INSTANCE instance_name [ON DATABASE database_name] SET PROPERTY property_name = value;
DGMGRL> EDIT INSTANCE * ON DATABASE database_name SET PROPERTY property_name = value;
DGMGRL> EDIT INSTANCE ‘proddb’ ON DATABASE ‘proddb’ SET PROPERTY ‘StandbyArchiveLocation’=’/oradata/arch/’;
ENABLE – Enables a configuration, a database, or fast-start failover (FSFO).

DGMGRL> ENABLE CONFIGURATION;
DGMGRL> ENABLE CONFIGURATION;

DGMGRL> ENABLE DATABASE database_name;

DGMGRL> ENABLE DATABASE ‘devdb’;

DGMGRL> ENABLE FAST_START FAILOVER [CONDITION condition];

DGMGRL> ENABLE FAST_START FAILOVER;
 
EXIT – Exits the program.
DGMGRL> EXIT;
 
FAILOVER – Changes a standby database to be the primary database.
DGMGRL> FAILOVER TO standby_database_name [IMMEDIATE]
DGMGRL> FAILOVER TO “testdb”;
DGMGRL> FAILOVER TO “snapdb” IMMEDIATE;
 
HELP – Displays description and syntax for a command.
DGMGRL> HELP [command];
DGMGRL> HELP REINSTATE
DGMGRL> HELP EDIT
 
QUIT – Exits the program.
DGMGRL> QUIT;
 
REINSTATE – Changes a database marked for reinstatement into a viable standby.
DGMGRL> REINSTATE DATABASE database_name;
DGMGRL> REINSTATE DATABASE prim1;
 
REM – Comment to be ignored by DGMGRL.
DGMGRL> REM [comment];
 
REMOVE – Removes a configuration, Oracle database, or instance.
DGMGRL> REMOVE CONFIGURATION [PRESERVE DESTINATIONS];
DGMGRL> REMOVE CONFIGURATION;

DGMGRL> REMOVE CONFIGURATION PRESERVE DESTINATIONS;

DGMGRL> REMOVE DATABASE database_name [PRESERVE DESTINATIONS];

DGMGRL> REMOVE DATABASE devdb;
DGMGRL> REMOVE DATABASE standby PRESERVE DESTINATIONS;
DGMGRL> REMOVE INSTANCE instance_name [ON DATABASE database_name];
DGMGRL> REMOVE INSTANCE inst1 ON DATABASE racdb;
 
SHOW – Displays information about a configuration, database, instance or FSFO.
DGMGRL> SHOW CONFIGURATION [VERBOSE];

DGMGRL> SHOW CONFIGURATION;
DGMGRL> SHOW CONFIGURATION VERBOSE;

DGMGRL> SHOW DATABASE [VERBOSE] db_name [property_name];

DGMGRL> SHOW DATABASE ‘devdb’;
DGMGRL> SHOW DATABASE VERBOSE ‘test’;

DGMGRL> SHOW DATABASE ‘dwhdb’ ‘StatusReport’;
DGMGRL> SHOW DATABASE ‘proddb’ ‘LogXptStatus’;
DGMGRL> SHOW DATABASE ‘proddb’ ‘InconsistentProperties’;
DGMGRL> SHOW DATABASE ‘proddb’ ‘InconsistentLogXptProps’;
DGMGRL> SHOW DATABASE ‘testdb’ ‘ArchiveLagTarget’;
DGMGRL> SHOW DATABASE ‘testdb’ ‘LogShipping’;
DGMGRL> SHOW DATABASE ‘testdb’ ‘PreferredApplyInstance’;
DGMGRL> SHOW DATABASE ‘proddb’ ‘StatusReport’;
DGMGRL> SHOW DATABASE ‘testdb’ ‘RecvQEntries’;
DGMGRL> SHOW DATABASE ‘proddb’ ‘SendQEntries’;

DGMGRL> SHOW INSTANCE [VERBOSE] instance_name [property_name] [ON DATABASE db_name];

DGMGRL> SHOW INSTANCE inst1;
DGMGRL> SHOW INSTANCE VERBOSE inst3;
DGMGRL> SHOW INSTANCE testdb ‘TopWaitEvents’;

DGMGRL> SHOW FAST_START FAILOVER;
DGMGRL> SHOW FAST_START FAILOVER;
 
SHUTDOWN – Shuts down a currently running Oracle instance.
DGMGRL> SHUTDOWN [NORMAL | IMMEDIATE | ABORT];
DGMGRL> SHUTDOWN;
DGMGRL> SHUTDOWN NORMAL;
DGMGRL> SHUT IMMEDIATE;
DGMGRL> SHUT ABORT;

SQL – Executes a SQL statement
DGMGRL> SQL “sql_statement”;
START – Starts the fast-start failover(FSFO) observer.
DGMGRL> START OBSERVER [FILE=observer_configuration_file];
DGMGRL> START OBSERVER;
 
STARTUP – Starts an Oracle database instance.
DGMGRL> STARTUP [RESTRICT] [FORCE] [PFILE=filespec]
[NOMOUNT  |  MOUNT | OPEN [READ ONLY|READ WRITE]];
DGMGRL> STARTUP;
DGMGRL> STARTUP NOMOUNT;
DGMGRL> STARTUP MOUNT;
DGMGRL> STARTUP OPEN;DGMGRL> STARTUP FORCE;
DGMGRL> STARTUP FORCE RESTRICT NOMOUNT;
DGMGRL> STARTUP PFILE=initdwh.ora NOMOUNT;

STOP – Stops the fast-start failover(FSFO) observer.

DGMGRL> STOP OBSERVER;
 
SWITCHOVER – Switches roles between a primary and standby database.
DGMGRL> SWITCHOVER TO standby_database_name;
DGMGRL> SWITCHOVER TO “standby”;

VALIDATE – command to checks whether the database is ready for a role transition or not.

DGMGRL> VALIDATE DATABASE …;    — From Oracle Database 12c
 

$ORACLE_HOME/rdbms/log/drc*.log

alter system set dg_broker_start=false;
alter system set dg_broker_start=false sid=’*’;
alter system set dg_broker_start=FALSE SCOPE=spfile SID=’*’;
alter system set dg_broker_start=true;
alter system set dg_broker_start=true sid=’*’;
alter system set dg_broker_start=TRUE SCOPE=spfile SID=’*’;

alter system set dg_broker_config_file1=’/u01/dg_broker_config_files/dr1TESTPRI.dat’ sid=’*’;
alter system set dg_broker_config_file2=’/u01/dg_broker_config_files/dr2TESTPRI.dat’ sid=’*’;

 
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