Migration Solutions

Table Migration services and tools describes the services and tools recommended by HUAWEI CLOUD to migrate an SAP system. The table compares the application scopes, downtime, and migration complexity of the solutions. You can select a solution that meets your requirements. For details about migration operations of each solution, see Migration Solution Details.

**Table 1** Migration services and tools
Service/Tool	Advantages and Disadvantages	Application Scope	Database Interruption Duration (Bandwidth: 100 Mbit/s)		Technical Support	Scenarios
			500 GB database	2 TB database
Server Migration Service or Server Migration Tool (P2V and V2V migration tools)	Advantages: The migration of SAP application servers and database servers is easy. Disadvantages: The downtime is long. Only the X86 platform is supported.	Applies to homogeneous x86 platform migration. The service and tool can migrate SAP applications and databases. Interrupt the database service when you migrate the database using SMS.	About 18 hours	About 65 hours	HUAWEI CLOUD Server Migration Service	Migrating an SAP system from the X86 platform to HUAWEI CLOUD Migrating an SAP system from a third-party cloud to HUAWEI CLOUD
Database backup and restoration function	Advantages: Short downtime Disadvantages: Only homogeneous migration is supported.	Applies to the migration between databases of the same type.	Full migration: About 20 hours Increment migration: About 2 hours	Full migration: About 70 hours Increment migration: About 2 hours	Database provider	Migrating an SAP system from the X86 platform to HUAWEI CLOUD Migrating an SAP system from a third-party cloud to HUAWEI CLOUD
Database replication (including HANA SR and Oracle Data Guard)	Advantages: The downtime is shortened to minutes. Disadvantages: The operations are complex and require expertise.	Applies to the migration between databases of the same type.	Within 1 hour	Within 1 hour	Database provider	Migrating an SAP system from the X86 platform to HUAWEI CLOUD Migrating an SAP system from a third-party cloud to HUAWEI CLOUD Migrating an SAP system from IBM midrange computers to HUAWEI CLOUD (with database restrictions)
DMO of SAP SUM	Advantages: You can upgrade the SAP system while migrating the database. Disadvantages: The operations are complex and require expertise.	Applies to homogeneous and heterogeneous migration and supports SAP upgrade during the database migration. Migrates data from other databases to the HANA database.	About 10 hours	About 45 hours	SAP	Migrating an SAP system from the x86 platform to HUAWEI CLOUD Migrating an SAP system from a third-party cloud to HUAWEI CLOUD Migrating an SAP system from IBM midrange computers to HUAWEI CLOUD Migrating an SAP system running on a non-HANA database to HUAWEI CLOUD SAP HANA database
R3load (parallel import and export function)	Advantages: a standard SAP tool that is easy to use Disadvantages: The downtime is long, which depends on the database size.	Supports homogeneous and heterogeneous migration.	About 24 hours	About 48 hours	SAP	Migrating an SAP system from the x86 platform to HUAWEI CLOUD Migrating an SAP system from a third-party cloud to HUAWEI CLOUD Migrating an SAP system from IBM midrange computers to HUAWEI CLOUD Migrating an SAP system running on a non-HANA database to HUAWEI CLOUD SAP HANA database