Data migration is the process of moving data from one system to another. While this might seem straightforward, it involves a change in storage as well as the database or application. Companies may find the need to do a data migration for any number of reasons. They may need to merge new data from an acquisition, move data from local servers to cloud servers, or they might need to deploy another system that might sit alongside existing applications. Whatever the reason, a well-executed strategic Data Migration Plan should provide a smooth transition that sticks to deadlines and adheres to budgets.
A comprehensive data migration strategy helps avoid missed deadlines, budgetary overruns, and incomplete plans that can cause the project to fail altogether. A well-designed migration strategy maps the steps from pre-migration to post-migration and implements checks and balances along the way to keep the project on track.
In many cases, organizations that initially deploy their data management strategies themselves will often end up engaging experts from outside the organization to complete the migration projects.
Regardless of the exact purpose of a data migration, the goal is generally to enhance performance and competitiveness. The data needs to be examined first for inaccuracies and redundancies. Then it needs to be cleaned up and validated. Then any Data Quality requirements must be applied to make sure the data is reliable. Rules for the data should be decided upfront and roles and responsibilities should be assigned. Make sure there are backup resources and that they’ve been tested before proceeding. In case something goes wrong during the implementation, you can’t afford to lose data. Above all, stick to the strategy and you will achieve the desired outcome.
Storage migration is where a business migrates data from one physical medium to another. Typically, a storage migration involves moving data from paper to digital or from hardware-based storage to virtual cloud-based storage. The data content is not usually altered during storage migration, however; certain steps such as validation, redundancy, and data cleaning may be necessary to maintain Data integrity. This process is normally done because of an upgrade of storage technology.
Application Migration occurs when an organization invests in a new software solution and the information needs to be moved into that system. This type of data migration occurs frequently because businesses chose a new software vendor to maintain a competitive edge or because of a corporate acquisition or merger. This type of migration can come with unique challenges because the old data and the target model may have different data models and formats.
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