Here’s a list of questions to ask yourself before you begin planning your migration:
New architecture
- Should you change the architecture, computing power, OS/software versions or file structure of your servers?
- Do you have the necessary human resources to identify the new architecture’s requirements and opportunities, and configure your new servers correctly?
- Having identified your new solution, does your hosting provider give you the storage, bandwidth, computing power and reliability you need for now and the near future?
- How scalable is your new hosting architecture – can you easily improve it, upgrade it or migrate it if you need to?
Migration strategy
- Should you freeze changes to files on your existing server, and when should you do this in order to allow enough time for the migration (plus testing).
- How much downtime is acceptable, and how can your migration strategy reduce downtime? Is avoiding downtime worth adding complexity and resources to the process?
- How will you update/manage your databases in order to ensure data continuity and not lose data that is changed during migration? Do you need to lock your database in order to achieve this?
- Do you have a plan in place to ensure that users have the correct privileges on the new server.
- How will you thoroughly test the new servers using realistic loads?
- What will be the impact of the changes on server users and how will you manage this? Who is affected, and what steps do they need to take.
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