Tag: Data Guard

Part 1/5: Zero Downtime Migration (ZDM) – Introduction & Installation

Introduction Oracle Zero Downtime Migration (ZDM) is a free to use software solution that allows you to automate your Oracle database migrations from on-premises to Oracle Cloud. Initially, ZDM supported Data Guard based migrations following the principles of Oracle Maximum Availability Architecture (MAA). To support Standard Edition migrations, ZDM uses RMAN backup and restore instead.…

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 way,…

Create PDBs in a Data Guard Environment with TDE enabled

Introduction See what happens and how to proceed after creating or cloning a PDB in a Data Guard environment while Transparent Data Encryption (TDE) is enabled. If you are new to TDE, have a look at this blog first. The Environment I’m using Oracle Database Cloud service Enterprise Edition Extreme Performance. The database version is 19.8. TDE…

Do I need the Advanced Security Option on-premises for Hybrid Cloud Disaster Recovery?

In the case of hybrid disaster recovery and having an unencrypted database on-premises, you can create the corresponding unencrypted standby database in the cloud using RMAN DUPLICATE or RESTORE from Object Storage. When you create a new unencrypted tablespace on the on-premises primary database, the standby database in the cloud creates the corresponding unencrypted tablespace via redo. So everything is fine and you…

Can I use fewer CPUs on Data Guard Standby to save costs?

One of the most beneficial cloud features is scalability on-demand, paying only for what you use, and releasing the resources when not needed anymore. So the question is, could I configure the standby database to use fewer CPUs than the primary to save costs? Yes, BUT… you have to consider a few things! Oracle Cloud provides…

Part 4/10: Automation Tools and Maximum Availability Architecture Migration Methods

In this part, we will introduce the automation tools and Maximum Availability Architecture (MAA) migration methods. Automation Tools Automation is one of the major benefits of migrating workloads to the cloud. Oracle provides different database migration solutions to even automate the migration process to the cloud. MV2ADB (Move to Autonomous Database) MV2ADB is a command-line tool…

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…