Oracle Service Taf Policy Specification Transparent Application Failover TAF is a feature of the Java Database Connectivity JDBC Oracle Call Interface OCI driver It enables the application to automatically reconnect to a database if the database instance to which the connection is made fails In this case the active transactions roll back
Configure the tnsnames ora file for TAF Below is an example of a tnsnames ora file configured for a transparent application failover TAF Option 1 Connect time FAIL OVER and TAF MY CLUSTER DESCRIPTION FAILOVER ON LOAD BALANCE OFF ADDRESS LIST Believing the Hype Behind Oracle 19c Transparent Application Continuity November 9 2022 by Rackspace Tecnology Staff The hope of this blog post is to help Oracle DBAs perform routine maintenance on RAC clusters with little impact on the running applications actively performing work 1 Finally Doing it the Right Way
Oracle Service Taf Policy Specification
Oracle Service Taf Policy Specification
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Beginning with Oracle Database 12 c Release 1 12 1 ONS is the primary notification mechanism for a new client Oracle Database 12 c Release 1 12 1 and a new server Oracle Database 12 c Release 1 12 1 while the AQ HA notification feature is deprecated and maintained only or backward compatibility when there is an older OCI or ODP NET Oct 22 2018 2 01AM edited Nov 1 2018 5 05AM in Database RAC Scalability MOSC 1 comment Answered How the below two service configurations will act differently config diff is TAF policy specification NONE vs BASIC 1 dbtools srvctl config service d DB s app srvc1 Service name app srvc1 Service is enabled Server pool db app srvc1
Oracle Database Enterprise Edition Version 11 2 0 1 to 11 2 0 4 Release 11 2 Oracle Database Cloud Schema Service Version N A and later Oracle Database Exadata Cloud Machine Version N A and later Oracle Cloud Infrastructure Database Service Version N A and later Information in this document applies to any platform Transparent Application Fail over in Oracle RAC Transparent Application Failover TAF is used for the failover process if the database instance connection goes fails it would reconnect to the next available database instance TAF can be configured in 2 ways 1 Server Side 2 Client Side In this blog we will configure server side TAF
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INTRODUCTION As businesses become increasingly dependent upon their database systems interruptions in service become more and more disruptive OracleDatabase 10g contains many availability features that ensure applications recover from system faults with minimum effect on end users Minimizing interruption means more than just fast recovery Using DBMS SERVICE First of all we get into the right PDB If your database is a dedicated one you can skip this step SQL conn as sysdba Connected SQL alter session set container ERPAPP Session altered SQL show con name CON NAME
Oracle Database Backup Service Version N A and later Oracle Database Enterprise Edition Version 10 2 0 1 to 19 15 Release 10 2 to 19 Information in this document applies to any platform Goal This document provides basic instructions for configuring Server side versus client TAF or Transparant Application Failover Server side srvctl modify service db TAF service FG TAF failovermethod Failover delay Failover restore NONE Connection Load Balancing Goal LONG Runtime Load Balancing Goal NONE TAF policy specification BASIC Edition Pluggable database name Hub service Maximum lag time ANY SQL Translation Profile Retention 86400 seconds Replay Initiation
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Oracle Service Taf Policy Specification - TAF failover retries 0 TAF failover delay 0 Connection Load Balancing Goal LONG Runtime Load Balancing Goal NONE TAF policy specification NONE Preferred instances SID1 Available instances SID2 Service name RAC test01 Service is enabled Server pool RAC test01 Cardinality 1 Disconnect false Service role PRIMARY Management