Help Center/ SAP Cloud/ Best Practices/ Best Practices of the SAP ASE Solution/ Cloud Migration/ Migrating the Database to HUAWEI CLOUD/ Heterogeneous Migration
Updated on 2023-05-29 GMT+08:00
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Heterogeneous Migration

Heterogeneous migration refers to a migration where the source and target OSs, ASE databases, and SAP software versions are different. Use SAP R3load to import and export systems for heterogeneous migration.

Solution: SAP System Copy procedures (R3load)

Services must be stopped when R3load exports data. The service interruption duration depends on the database size. If the data to be imported and exported is more than 1 TB, the interruption time is long, causing great impacts on services. This solution is provided by SAP. If you encounter any problem during the migration, contact SAP technical support for solutions.

Figure 1 shows the procedure.

Figure 1 System migration

The procedure is described as follows:

  1. On HUAWEI CLOUD, create the a subnet, configure security group policies, and build the target system, including the database and application servers.
  2. Stop the source system services. Run the SWPM tool on the source server and use System Copy to export data. For details, see SAP System Copy.
  3. Upload the exported data to the file system of the target system.
  4. Run the SWPM tool in the target system and use System Copy to import data.
  5. Verify data integrity and switch the database services to the target system.