Create SAP HANA system replication levels
The Refresh
The term "system copy" describes the process of creating a copy of an SAP system on a new server. There are two types to be distinguished: homogeneous and heterogeneous system copy and one can get to the system copy in different ways.
In this context, generated jobs adapt to changes, even if, for example, a DB change, a release change or other changes have taken place. Nevertheless, once created copy jobs can be reused, which minimizes the maintenance effort and a certain susceptibility to errors. This is also the case when switching from one Any DB to another or when moving from an Any DB to Hana.
Pre- and post-processing
To ensure that SAP solutions are nevertheless used optimally, decision-makers are well advised to regularly subject IT landscapes and applications to intensive testing. This helps to avoid potential errors and risks during operation, which can quickly lead to immense costs. But providing test data can also prove to be a challenge. Given the increased use of Big Data, storage space and resulting costs are constantly rising. In addition, testing is complicated by the growing complexity of applications and IT architecture. It can therefore be profitable for companies to invest in professional test data management, which offers decisive advantages.
The task of a system copy created for updates is a carefully integrated system that takes on a specific role in an SAP system landscape. That is why customizing the SAP database of the target system differs significantly from customizing the database of the production system. In a system copy-based update, the database of the target system is completely overwritten with the contents of the production system. Therefore, all SAP-specific customization of the target system must be performed after the update with the system copy. The pre- and post-processing is often performed manually while the target system is running. Specific SAP transactions are used to customize the system. Execution can take a long time and is a source of human error. To automate most transactions, UC4 Automated System Copy for SAP can also be used. Before the update, UC4 Automated System Copy takes care of downloading the required content for the SAP customization from the target system and after the update is complete, uploading the content back to the system.
The tool "Shortcut for SAP Systems" is excellently suited to complete an SAP system copy easier and faster.
In this way, virtual copies of a logical volume, so-called snapshots, can be created.
For example, it is automatically recognized whether the system is an Abap, Java or double-stack system.