Lesson Overview
In this lesson, you'll learn how to attach an SAP HANA data lake instance to the SAP HANA database in your SAP BTP account.
Business Case
See the following video to know the business case for adding an integrated Data Lake.
The ability to add a data lake to an SAP HANA Cloud database instance depends on the entitlements and the region where you've deployed your SAP HANA Cloud database.
Add an Integrated Data Lake
The SAP HANA Cloud Central allows you to add an integrated data lake to an existing SAP HANA Cloud database instance. Select the °°° (more) button of the SAP HANA Cloud database instance to view the possible actions you can perform on the database. Choose the Add Data Lake option to start the add data lake wizard.
In the (1) Create Data Lake Instance wizard, you need to specify the data lake instance name and description in the Basics area. You must also enter and confirm a strong password for the HDLADMIN user.
Note
The password for the user HDLADMIN automatically expires after 180 days.In the Size area of the input screen, you can specify the number of vCPUs for the Compute and Storage nodes. The minimal required number of vCPUs is calculated from the storage size. In the trial account, the storage size is fixed, so you have to accept the given number of vCPUs.
Note
In an enterprise SAP BTP account, you can also select the Storage Service Type. You can choose between SAP Native Data Lake files and AWS Elastic File System (EFS). In the free tier and trial account, this is fixed to the AWS Elastic File System (EFS) and can't be changed.In the Connections area, you specify which IP addresses are allowed to connect to your data lake instance. Depending on your need, you keep the connections local to the SAP BTP, or only specific IP addresses and ranges of your company or all IP addresses.
Caution
The option Allowing all IP addresses means that your data lake exposes to the whole internet!By default the provisioning wizard configures and schedules data lake backups. You can manually disable this feature if no backups are required.
Customer Controlled Key Management
The Encryption Key Management Service is also available for SAP HANA data lake. This allows you to use the customer-controlled encryption key (CCEK) feature for integration with the SAP Data Custodian Key Management Service (KMS). Follow the links to find more information on how to use the Customer Controlled Key Management Services and SAP Data Custodian
In the Backup area, you specify if automatic database backup feature needs to be enabled.