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Unveiling the Power of SAP HANA Cloud Migration: Self Service Migration Tool

So, you're the admin, and you're ready to roll with an SAP HANA Cloud database instance. Great call! Let's map out the essentials to make sure you're all set.

Getting Subaccount Access Right

First things first – to deploy the database, you'll need access to a subaccount in your company's SAP Business Technology Platform (SAP BTP) global account. But, not just any access – you'll want the Subaccount Administrator role collection. If you find your user account missing this role, no worries. Just give a shout to your SAP BTP global account admin and ask them to hook you up. It's like getting the backstage pass for the deployment concert.

Unlocking the Toolbox: SAP HANA Cloud Administration Tools

Now, let's talk tools. To craft and manage your database instances, you're going to need the SAP HANA Cloud - tools plan in your subaccount. This magical plan opens the door to a trio of game-changers: SAP HANA Cloud Central, SAP HANA cockpit, and SAP HANA database explorer 

To activate the new multi-environment SAP HANA Cloud tools, follow the instructions in the blog

Benefits and features of the multi-environment SAP HANA Cloud tools

The Old VS The NEW

HANA Cloud tools in Cloud Foundry are still hanging around, but here's the scoop – the Cloud Foundry edition of SAP HANA Cloud Central is waving goodbye. It's officially on the way out. SAP's advice? Make the shift to the new multi-environment SAP HANA Cloud tools. That's where the buzz is, and that's where the future is headed.

Implementation Starts here 

In SAP BTP Cockpit, navigate to SAP HANA Cloud Central via: Instances and Subscription > Applications > SAP HANA Cloud > Instances for creating and managing database instances



To access the Self-Service Migration for SAP HANA Cloud tool in SAP HANA Cloud Central, no additional configuration is needed for SAP HANA Service scenarios (Neo and Cloud Foundry).

However, for SAP HANA on-premises scenarios, ensure the connectivity_proxy service plan is added to the connectivity service. If not available, contact the SAP BTP global account administrator to add this required service plan for self-service migration as this needs to be connected via cloud connector

To locate the Self-Service Migration Tool in SAP BTP Cockpit:

In the subaccount navigation, select Instances and Subscription.
From the Applications table, choose SAP HANA Cloud.
In the navigation area, click on Migrations to create and manage migrations to SAP HANA Cloud.

Deploy a SAP HANA Cloud Database 

Now Step by Step method to provision a database is mentioned here

SAP HANA DB SIZE

MEMORY AND STORAGE SIZE SUPPORTED BY HANA 

Creating a Migration user in source database

Migrating from an SAP HANA database to SAP HANA Cloud requires a dedicated user in your SAP HANA source database. The Self-Service Migration tool will check whether the provided user has all needed privileges to perform the migration. Any missing privileges and the objects on which they must be granted will be displayed in the user interface. 

On the source database, open a SQL Console in the Database Explorer.

Create a migration user by executing the following statement in the Database Explorer - 

1   CREATE USER <username> PASSWORD <password> NO FORCE_FIRST_PASSWORD_CHANGE;

2. Grant the necessary privileges to the migration user by running the following script in the Database Explorer 

GRANT SELECT ON _SYS_REPO.DELIVERY_UNITS TO <username>;

GRANT SELECT ON _SYS_REPO.ACTIVE_OBJECT TO <username>; 

GRANT CATALOG READ TO <username>;

GRANT INIFILE ADMIN TO <username>;

GRANT TRUST ADMIN TO <username>;

GRANT CERTIFICATE ADMIN TO <username>;

GRANT CREATE REMOTE SOURCE TO <username>;

3. For each schema you need to migrate add this scenario :

GRANT SELECT ON SCHEMA "<SCHEMA_NAME>" TO <username>;

The SQL statement must be executed by the owner of the schema or any user who has the permissions to grant the required privileges.


Install and Configure the Cloud Connector

The Cloud Connector allows you to set up a secure connection between the source SAP HANA on-premise database and the target SAP HANA Cloud database instance on SAP BTP

Installation of Cloud Connector on Linux 
Note : For this you need require the connectivity_proxy service plan to be added to the connectivity service in your subaccount entitlements.

Fill the details in Self Migration Tools :-

Name

Description

Example

Migration Name

Give a short descriptive migration project name.

Migration OP to HC

Migration Description

Give a good description for the migration project.

Self-Service Migration SAP HANA on-premises to SAP HANA Cloud​

Source Instance Host

Virtual host name exposed to SAP BTP through Cloud Connector.

op-source-hana. The real host name wdflbmt7346 isn't exposed to the SAP BTP.

Source Instance Port

Virtual port number exposed to SAP BTP through Cloud Connector.

42015. The real port number 30015 isn't exposed to the SAP BTP.

Cloud Connector Location ID

Location ID defined in the Cloud Connector.

SCC-OP-HANA

Migration Username

Dedicated migration user account created on the source database.

MIGUSER

Migration Username Password

Password specified during the creation of the migration user.

Welcome1 ( This is not a strong password )

Target Database Username

Database administrator user name created during SAP HANA Cloud database deployment.

DBADMIN

Target Username Password

Password specified during the deployment of the SAP HANA Cloud database.

Welcome1 ( This is not a strong password )




Migrating from SAP HANA Service for BTP , Neo environment 



Note : This scenario only migrates the catalog and data to SAP HANA Cloud. Migration of XS Classic and SAP HANA repository content or other design-time artifacts is not supported.

Field

Description

Example

Migration Name

Descriptive name for the migration project.

Neo to HC Self-Service Migration

SAP BTP Region

Region of the source database within SAP BTP.

Europe (Frankfurt)

Technical Subaccount

Name of the technical subaccount in the Neo environment.

pvwaf4nsum

Source Database ID

DB/Schema ID listed in the Databases & Schemas list.

neosource

Account Username

User name for connecting to the SAP BTP Neo environment.

P1234567890

Account Password

Password for the specified user account (P1234567890).

Welcome1

Database Username

Dedicated migration user account on the source database.

MIGUSER

Database Password

Password specified during the creation of the migration user.

Welcome1

Target Instance

Name of the SAP HANA Cloud target database.

HC_Neo_Target


Migrating from SAP BTP Cloud Foundry




Note : For this scenario ,  the source and target database need to be located in the same region.


Name

Description

We will use Example

Migration Name

Descriptive name for the migration project.

CF to HC Self-Service Migration

Credentials for SAP BTP Cloud Foundry:



Username

User name for connecting to the SAP BTP Cloud Foundry environment.

P1234567890

Password

Password for the specified user account (P1234567890).

Welcome1

Source Database Information:



SAP BTP Region

Region of the source database within SAP BTP.

EU (Frankfurt)

Cloud Foundry Space

Cloud Foundry space name where the SAP HANA Service is located.

dev

Source Instance Name

SAP HANA Cloud Service instance name shown in the Service Instances list.

CF_Source

Username (Source DB)

Dedicated migration user account created on the source database during preparations.

MIGUSER

Password (Source DB)

Password specified during the creation of the migration user.

Welcome1

Target Database Information:



Migrated Instance Prefix

Prefix for the new migrated instance (SAP HANA Schemas and HDI containers service).

demo_

Target Instance

Name of the SAP HANA Cloud target database.

HC_CF_Target

Target DB Username

Database administrator user name created during deployment.

DBADMIN

Target Username Password

Password specified during the deployment of the target database.

Welcome1




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