According to the Oracle documentation the key features of the Zero Data Loss Recovery Appliance are:
- Real-time redo transport
- Secure replication
- Autonomous tape archival
- End-to-end data validation
- Incremental-forever backup strategy
- Space-efficient virtual full backups
- Backup operations offload
- Database-level protection policies
- Database-aware space management
- Cloud-scale architecture
- Unified management and control
According to the same documentation the key benefits of the Zero Data Loss Recovery Appliance are:
- Eliminate Data Loss
- Minimal Impact Backups
- Database Level Recoverability
- Cloud-scale Data Protection
Even though the Zero Data Loss Recovery Appliance brings some nice features and the key benefits and key features Oracle states in the documentation are very valid the main point is not broadcasted in the documentation. The mentioned points are in many enterprises already available in the form of self build solutions based upon a number of solutions from vendors. Backup software is in most cases Oracle RMAN or a combination of Oracle RMAN and a third vendor software solution. Hardware is commonly from different vendors, a vendor for the server hardware, a vendor for the storage and a vendor for the tape appliances.
One of the main benefits of introducing the Zero Data Loss Recovery Appliance is that it provides the perfect leverage to ensure that all backup and recovery strategies are standardized and optimized in an Oracle best practice manner. In most enterprise deployments you still see that backup and recovery strategies differ over a wide Oracle database deployment landscape.
It is not unseen that backup and recovery strategies involves multiple teams and multiple tools and scripts and that multiple ways of implementation are used over time. By not having an optimized and standardized solution for backup and recovery organizations do not have the ability to have an enterprise wide insight in how well the data is protected against data loss and a uniform way of working for recovery is missing. This introduces the risk that data is lost due to missed backups or due to a non compatible way of restoring.
In the below diagram a dual datacenter solution for Zero Data Loss Recovery Appliance is shown in which it is connected to a Oracle Exadata machine. However, all databases regardless of the server platform they are deployed on can be connected to the Zero Data Loss Recovery Appliance.
When operating a large enterprise wide Oracle landscape customers do use Oracle Enterprise Manager for full end-to-end monitoring and management. One of the additional benefits of the Zero Data Loss Recovery Appliance is that it can fully be managed by Oracle Enterprise Manager. This means that the complete management of all components is done via Oracle Enterprise Manager. This in contrast to home grown solutions where customers are in some cases forced to use management tooling for all the different hardware and software components that make the full backup and recovery solution.
For more information about the Zero Data Loss Recovery Appliance please also refer to the below shown presentation.
For more information about this topic, feel free to contact Johan Louwers directly via email@example.com