![]() ![]() Operation requires startup of instance "prod" on database "prod"Ĭontinuing to reinstate database "prod". Operation requires shutdown of instance "prod" on database "prod" Reinstating database "prod", please wait. Initiating Fast-Start Failover to database "sby1".įailover succeeded, new primary is "sby1"Įrror: ORA-16636: fast-start failover target standby in error state, cannot stop observerĮrror: ORA-16652: fast-start failover target standby database is disabledĭGMGRL> disable fast_start failover force SQL> alter system set log_checkpoints_to_alert=true Īlter system set log_checkpoints_to_alert=true Now we will simulate the failure and invoke error number 1031 (insufficient privileges) Property "FastStartFailoverTarget" updated StandbyArchiveLocation = 'USE_DB_RECOVERY_FILE_DEST'ĭGMGRL> edit database prod set property 'FastStartFailoverTarget' = 'sby1' StaticConnectIdentifier = '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=prod_DGMGRL)(INSTANCE_NAME=prod)(SERVER=DEDICATED)))' # We will simulate an insufficient privilege error and invoke fast start failoverĭGMGRL> enable fast_start failover condition '1031' ORA-01578: ORACLE data block corrupted (file # %s, block # %s) SQL> select flashback_on from v$database ĭGMGRL> enable fast_start failover condition '1578' # FastStartFailoverTarget property of broker should be set to a target standby terminal # First we will check whether flashback is enabled or not on both primary and standby A TNS entry or entries enabling connectivity to standby database instance(s) must be defined on the primary database host.Working with Fast Start Failover (FSFO) in DATA GUARDįast start failover is a feature which allows a primary database to failover to one of the target standby terminal automatically in case any error conditions becomes true A TNS enabling connectivity to the primary database instance must be defined on each of the standby database hosts. To enable Reatime Query on a physical standby database, a TNS entry enabling connectivity to the standby database instance must be defined on the primary database host. the LOCALJJSTERNER initialization parameter must be set to the listener used to register the primary database instance. To start SQL apply on a logical standby database, a TNS entry enabling connectivity to the primary database instance must be defined on the logical standby database host. Which statement is true regarding Oracle Net connectivity for a Data Guard Broker configuration? Open Dogs and let the broker reinstate Dogs automatically. MOUNT DOGS and issue "reinstate database dogs:" at the DGMGRL prompt while connected to Sheep MOUNT DOGS and issue ''reinstate database dogs:" at the DGMGRL prompt while connected to Dogs. Bring Dogs to the NOMOUNT state and let the broker reinstate Dogs automatically. ![]() ![]() Identify the task, or sequence of tasks, to bring the configuration into the SUCCESS state. SQL> select last_failover_reason from v$fs_failover_stats ORA-01578: ORACLE data block corrupted (file # %s, block # %s) And finally the reason for the fail over: #FAST START FAILOVER AUTO REINSTATE OFFLINE#Stuck Archiver NO Datafile Offline YES Oracle error Conditions Observer: Lag Limit: 30 seconds (not in use) Shutdown Primary: TRUE Auto-reinstate: TRUE Observer Reconnect 10 seconds Observer Override: FALSEĬonfigurable Failover Conditions Hearth Conditions: Corrupted Controlfile YES Inaccessible Logfile NO ORA-16661: the standby database needs to be reinstatedįast-Start Failover: ENABLED Configuration Status: WARNING And the fast-start failover configuration:ĭGMGRL> show fast_start failover Fast-Start Failover: ENABLED Threshold: 30 seconds Target: dogs ![]() Warning: ORA-16817: unsynchronized fast-start failover configuration Dogs - (*) Physical standby database (disabled) Protection Mode: MaxAvailability Databases: Examine the Data Guard configuration: DGMGRL> show configuration Configuration-Animals ![]()
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