Learn key steps for migrating your SAP HANA system from an EC2 X1 instance to a High Memory instance on AWS, ensuring high availability and data integrity.
Table of Contents
Question
A company has run SAP HANA on AWS for a few years on an Amazon EC2 X1 instance with dedicated tenancy. Because of business growth, the company plans to migrate to an EC2 High Memory instance by using a resize operation. The SAP HANA system is set up for high availability with SAP HANA system replication and clustering software.
Which combination of steps should the company take before the migration? (Choose three.)
A. Ensure that the source system is running on a supported operating system version.
B. Update all references to the IP address of the source system, including the /etc/hosts file for the operating system and DNS entries, to reflect the new IP address.
C. Adjust the storage size of SAP HANA data, log, shared, and backup volumes.
D. Resize the instance through the AWS Management Console or the AWS CLI.
E. Ensure that there is a backup of the source system.
F. Update the DNS records. Check the connectivity between the SAP application servers and the new SAP HANA instance.
Answer
A. Ensure that the source system is running on a supported operating system version.
C. Adjust the storage size of SAP HANA data, log, shared, and backup volumes.
E. Ensure that there is a backup of the source system.
Explanation
Recommended Steps Before Migration:
A. Verify the source system’s operating system compatibility. Check if the OS version is supported for the target EC2 High Memory instance type to ensure a smooth transition.
C. Modify the storage size of SAP HANA volumes. Adjust data, log, shared, and backup volume sizes according to the new instance’s storage capacity and performance requirements.
E. Secure a backup of the source system. Create a complete backup before migration to prevent data loss and enable rollback if necessary.
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