OTN Case Study: Automatic Failover With Oracle Data Guard Fast-Start Failover “Fast-Start Failover takes the DBA off the critical path. Database failover is automatic. Data Guard can now address recovery time objectives measured in seconds.”

Abstract

executes in seconds, • Original primary production database is automatically reinstated as a new standby database after failover (assuming the database is in a state where it can be restarted) • Zero data loss • External, lightweight “Observer ” process ensures failover rules are satisfied and eliminates the possibility of “split brain ” processin