Introduction AWS Relational Database Service (RDS) provides a managed service for several database engines, including Oracle. It offers automation for administration tasks like provisioning, patching, and backup. Hence, it is often compared to Oracle Autonomous Database on Shared Exadata Infrastructure. However, the differences are tremendous, especially (and not only) regarding database high availability. This is…
Introduction Oracle Data Guard provides synchronous data replication to standby databases to ensure zero data loss in case of a disaster. In addition, the standby database can be used to offload RMAN backups, serve read-only and read-mostly workloads, and ensure high availability for planned maintenance. This blog post provides the steps needed to patch Data…
There are different questions about RAC on Oracle Cloud: Is it possible to deploy RAC on IaaS? Is it possible to deploy more than two RAC nodes on DBCS VMs? Are the RAC nodes deployed on different Fault Domains or Availability Domains? Are databases on ExaCS and ExaC@C always deployed on RAC? Does my Autonomous…
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…
Database Heartbeat 