Tag: RAC

A Java Example for Oracle Application Continuity with Oracle RAC

Introduction Oracle Application Continuity hides database interruptions from end-users and applications. A simple test using SQL*Plus was discussed in this blog post. However, SQL*Plus is usually not your real application that will be used in production. Also, SQL*Plus is not a pooled application, and it’s recommended to use Connection Pools for Application Continuity. This blog…

How to create Oracle Database Services for High Availability

Introduction To use High Availability features like Fast Application Notification (FAN), Draining, and Application Continuity, you need to create a custom database service and set the high availability attributes accordingly. This is not possible when using the default database service, which is the service with the same name as the PDB. Additionally, custom database services…

Database Outage? Who cares???

Introduction Have you ever experienced this before? You click on “Book Now” for a trip or a hotel reservation, but get “an unknown error has occurred”, or even no feedback at all? You are ultimately torn between packing your bags and repeating the booking process. To avoid such situations, Application Continuity is there. By the…

High Availability & Disaster Recovery in Oracle Cloud Infrastructure

Critical applications have the requirement to run 24/7 and tolerate hardware and software failure and even complete data center outages. Oracle Cloud Infrastructure with its’ regions, Availability Domains (AD), and Fault Domains (FD) provides the needed building blocks to design and run high availability and disaster recovery architectures for your applications and databases. A region…