Excessive availability is non-negotiable for organizations at present to forestall business-critical utility disruptions. Enterprises should prioritize database scalability and availability to keep away from downtime of their databases, community, servers, or storage environments.
For organizations that wish to keep away from required utility modifications, Oracle Actual Software Clusters (RAC) is an possibility for offering excessive availability and scalability to the Oracle database. Whereas the RAC characteristic will not be supported by Oracle databases on Amazon Elastic Compute Cloud (Amazon EC2), Oracle Energetic Information Guard helps obtain excessive availability on AWS cloud.
The Oracle Information Guard characteristic helps prospects survive disasters and information corruption whereas creating, sustaining, and managing a number of synchronized standby databases. However additional, configuring Oracle Information Guard Quick-Begin Failover (FSFO) helps obtain excessive availability.
On this weblog submit, we offer an architectural answer to realize database excessive availability when operating Oracle Database on Amazon EC2 with Oracle Information Guard together with Quick-Begin Failover to deal with Availability Zones (AZs) or Amazon EC2 occasion failures. We additionally introduce the steps you possibly can take to make database failover occur with out guide intervention, and provide suggestions for cross-Area catastrophe restoration.
Answer overview
Let’s discover this answer by discussing the structure and two alternate choices for securing excessive availability utilizing Oracle Information Guard, together with the benefits and limitations of every. We are going to…