Key Phases of SAP HANA Migration

VisionTree SAP HANA Migration Service is designed to simplify the process of migrating an existing SAP Business Suite environment to an VisionTree Technology for SAP HANA, with the goal to help you accelerate the time to value. The service focuses on knowledge sharing and provides a migration service to the appropriate SAP system function. The VisionTree consultant acts as your single point of contact, during all phases of the delivery effort, to help ensure that factory and SAP specifications are met.

Evaluation Phase

As part of the Assessment phase of the service, the VisionTree Migration consultant will work the Client to complete the following:

  • Complete a business case/ROI study, in conjunction with the client rationalizing the business drivers behind the existing SAP installation and project the financial benefits of migrating to SAP HANA.
  • Gather technical and business requirements, which inventory the existing SAP system and document the business cycle within which the SAP system operates.
  • Review the existing set of SAP levels and the components of the SAP suite installed at the client.
  • Perform an OS, hypervisor, and database assessment, by matching versions and levels with published SAP compatibility lists.
  • Review workload profiling metrics, captured during live operation of the existing SAP system. This will document on an application basis, the performance and capacity parameters within which the existing SAP system operates, as well as the De facto expectations for new system installation.
  • Conduct a custom application review, including documenting the integration points of the external system with the existing SAP system and confirm that the deployment of SAP HANA will support the external system.

Preparation

As part of the Preparation phase of the service, the VisionTree Migration consultant will work the Client to complete the following:

  • Complete prescribed SAP, OS, database management system (DBMS), and hypervisor upgrades, including SAP patches, Operating System version upgrades and patches, same vendor DBMS upgrades and patches
  • Conduct designated custom application remediation, including connection reconfiguration, executable re-compilation, driver updates and connectivity modifications.
  • Deploy the SAP HANA future-state reference architecture, including the target infrastructure, base operating system and or hypervisor, attached storage and network connectivity.
  • Complete all QAS EHP upgrade tests, as specified by SAP, AG.
  • Complete all SAP HANA migration tests, as specified by SAP, AG.
  • Apply any required system adjustments and tuning, leveraging the workload metrics and profile established during the Assessment Phase.
  • Provide upgrade and migration test validation, in conjunction with the client IT staff and their designated Quality Assurance staff.

Migration

Check that all backups and recovery points exist, using both SAP backups as well as system and SAN level backups to insure that recoverability is possible, in the event of a deployment roll-back.

  • Check that all backups and recovery points exist, using both SAP backups as well as system and SAN level backups to insure that recoverability is possible, in the event of a deployment roll-back.
  • Complete SAP HANA migration to all SAP environments specified during the Preparation Phase. This will include the SAP defined tasks of system quiesce , data copy and transformation, SAP service registration and start-up, as well as SAP functional component installation and start-up.
  • Review the existing set of SAP levels and the components of the SAP suite installed at the client.
  • Provide any SAP certification as applicable to the implementation services.
  • Deliver a successful production cutover, by redirecting end-user connections and access from the previous source SAP system, to the newly deployed SAP HANA system

Management

The Visiontree Migration Consultant will

  • Complete a training and knowledge transfer, including; the functional components of the SAP HANA installation, as well as pre-arranged remedial SAP HANA training to the client IT staff. This turnover will be defined and documented during the Assessment Phase and agreed upon by the client and VisionTree.
  • Transition operations and support processes including; the operational components of the SAP HANA installation, system alerts and monitors, as well as pre-arranged remedial SAP HANA training to the client Operations staff. This turnover will be defined and documented during the Assessment Phase and agreed upon by the client and VsionTree.
  • Decommission legacy systems and infrastructure, as specified by the client and documented during the Assessment Phase and agreed upon by the client and VisionTree.
  • Deploy the monitor functions of the SAP HANA system to ensure performance and availability results, by enabling system level KPI indicators, as specified by SAP, AG.