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Posted on November 29, 2013 2 minute read 102 Likes 240, 980 Views 232 Comments Scenario: You want to migrate your existing SAP ABAP system to the SAP HANA database Use the database migration option (DMO) of the Software Update Manager (SUM): it combines SAP upgrade and database migration to SAP HANA in one tool! Benefits: Migration steps are simplified System update, Unicode Conversion (*), and database migration are combined in one tool (*: only possible for a target based on 7. 40) Business downtime is reduced The source database remains consistent, so a fast fallback is possible Motivation If you want to migrate an existing SAP system (running on anyDB) to a SAP HANA database, required steps may be a dual-stack split, a unicode conversion, a database upgrade of anyDB, an upgrade of your SAP software, and a database migration to SAP HANA. The Software Update Manager (SUM) includes an option that combines the upgrade with the database migration "database migration option" (DMO) for SUM.
Amazon EC2 Instance Resize Amazon EC2 provides you with the ability to easily change your instance type in minutes, from the Amazon EC2 console, the AWS Command Line Interface (AWS CLI), or the Amazon EC2 API. You can start with an instance type that meets your current needs and size your instance up or down, when your requirements change. When you change your EC2 instance type, all instance metadata, including the IP address, instance ID, and hostname, remains the same. This enables you to migrate your SAP HANA to a new instance type seamlessly, without incurring a longer downtime. For details, see the Changing the Instance Type in the Amazon EC2 documentation. AMIs You can use an Amazon Machine Image (AMI) to launch any EC2 instance. You can create an AMI of an EC2 instance that hosts SAP HANA, including the attached EBS volumes, through the Amazon EC2 console, the AWS CLI, or the Amazon EC2 API. You can then use the AMI to launch a new EC2 instance with SAP HANA in any Availability Zone within the AWS Region where the AMI was created.