Oracle 18c-Performing a Data Guard Failover using DBCS Console

Oracle 18c-Performing a Data Guard Failover using DBCS Console

Description:- 

  • In this article we are going to perform oracle 18c dataguard Failover step by steps using  DBCS (Oracle Database Cloud Service Console)
  • we can Perform the Failover Operation using DBCS (Oracle Database Cloud Service Console) Or dbaascli utility

Check this link how to create oracle database 18c  dataguard

  • Oracle 18c-Configure Data Guard On Oracle Cloud Service Here

Step1:-Open the Oracle Database Cloud Service console

Oracle 18c-Configure Data Guard Details

Step2:-Before Failover check the database level.

select name, db_unique_name, database_role, switchover_status, open_mode from v$database;

Primary Side

Standby Side

Overview Picture

Step3:-Login in to any one of server

Step4:-Check the Dataguard Status Using dbaascli Command                                                                          dbaascli dataguard status

Step5:-Check the Dataguard configuration status

Step6:-From the menu we need select the Failover button, and then confirm the action.

Step7:-Failover operation is started using DBCS Console and databases in Maintenance mode

Step8:-Failover Successfully Completed using DBCS Console.

Step9:-After Failover check the database level.

select name, db_unique_name, database_role, switchover_status, open_mode from v$database;

 

Step10:-Check the Dataguard Status Using dbaascli Command

[oracle@chennai-dg01 ~]$ dbaascli dataguard status
DBAAS CLI version 1.0.0
Executing command dataguard status
SUCCESS : Dataguard is up and running
DETAILS:
Connected to “chennai_02”
Connected as SYSDBA.
Configuration – fsc
Protection Mode: MaxPerformance
Members:
chennai_02 – Primary database
chennai_01 – Physical standby database (disabled)
ORA-16661: the standby database needs to be reinstated
Properties:
FastStartFailoverThreshold = ’30’
OperationTimeout = ‘120’
TraceLevel = ‘USER’
FastStartFailoverLagLimit = ’30’
CommunicationTimeout = ‘180’
ObserverReconnect = ‘0’
FastStartFailoverAutoReinstate = ‘TRUE’
FastStartFailoverPmyShutdown = ‘TRUE’
BystandersFollowRoleChange = ‘ALL’
ObserverOverride = ‘FALSE’
ExternalDestination1 = ”
ExternalDestination2 = ”
PrimaryLostWriteAction = ‘CONTINUE’
ConfigurationWideServiceName = ‘chennai_CFG’
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS

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