Here are a few great tips for data migration from Tech Target.
- Understand server to storage mapping
- Get metrics on usage patterns, network capacity and storage bandwidth so you can plan the migration accordingly
- Plan for downtime
- Don’t forget about data security and the current security profiles
- You can potentially use host based server virtualization to accomplish this task, but use carefully
- Thin provisioning might be helpful to accomplish this goal
- Details, details, details. Make sure array software versions match up and are compatible before proceeding
- Save time for homework and practicing. You will make mistakes, so be prepared and prepare to learn
Built in tool like synchronous mirroring and campus mirroring in your IP SAN can also make this task easier. Use SAN volumes as a target for your host volumes, copy, and give access to your secondary server. This will have little impact on the primary host (and its associated volume) and give you a clean copy to verify with. Share your tips and tricks in the comments.
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