pre and post migration overview of database migration to cloud Azure, AWS

As you prepare for migrating to the cloud, verify that your source environment is supported and the you have addressed any prerequisites.

1. Pre-Migration Overview:

  • Find the Database size, it helps us to how long the data copy will take.
  • How many schema's and tables going to migrate and check the large objects.
  • Database users, roles and privileges.
  • How busy/critical of source database.
  • Under standing the network, firewalls and security.
  • How much down time afford.
  • Limitations of source database.

2. Planing migration methods and Execution phase:

  • Are we have any additional resources available to assist with various data migration scenarios.
  • Relatively small databases that allow for downtime during migration, relatively large databases that can't afford downtime during migration.

3. Post migration overview:

  • Developing validation test on both source and target databases using same queries.
  • Set up test environment
  • Run validation tests against the source and the target and then analyze the result.
  • Run the performance tests against the source and target and then analyze and compare result.