Validating Application Failover Readiness
(Doc ID 2758734.1)
Last updated on DECEMBER 14, 2021
Applies to:
Gen 2 Exadata Cloud at Customer - Version All Versions and later Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Autonomous Database Dedicated - Version NA and later Information in this document applies to any platform.
Goal
It is important to validate an application’s failover readiness for different types of outage types. One should understand the extent to which an application is able to failover, continue running, and mitigate impacts to it.
This note will cover two outage classes: unplanned outages and planned maintenance. Unplanned outages occur due to a sudden and unexpected failures and timeouts. Planned maintenance events occur when the system requires a software update or patch or downtime to replace a component.
Solution
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