Lift-and-shift weekends make good stories when they work and painful ones when they don't. A staged migration is slower on paper but usually safer: you move a few workloads at a time, check them, and keep a tested way back.
Here is a practical checklist we use as a starting point.
1. Assess before you plan
- Inventory every server, app and scheduled job, including the ones nobody remembers owning.
- Map dependencies: which service calls which database, file share or API.
- Mark workloads that cannot have downtime, and those with compliance rules on where data lives.
- Decide per workload whether it belongs in private, public or hybrid cloud, based on compliance, performance and cost.
2. Plan sequencing and rollback together
- Order moves so dependencies go first, or move tightly coupled pieces in the same stage.
- For each stage, write the rollback steps: how traffic returns to the old system and how data written in the meantime is reconciled.
- Agree on go / no-go checks before the window starts, not during it.
3. Move in stages
- Migrate a small batch, validate data integrity, then run real traffic.
- Keep the old environment intact until the stage is signed off.
- Record every config change so the next stage is repeatable.
4. After go-live: monitor, back up, tune
- Set up continuous monitoring for availability and performance from day one.
- Configure backup and disaster recovery, then actually test a restore. An untested backup is a guess.
- Harden security settings in the new environment and review them regularly.
- Revisit sizing and cost once you have a few weeks of real usage data.
More detail: how Affix Center approaches cloud migration and server lifecycle management
Written by the team at Affix Center, an IT services company in Lower Parel, Mumbai.
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