Migration Plan
Objective and scope
[Source and target owner]
Inventory and mapping
[Field mapping and transform]
Preparation
[Data-volume estimate]
Rehearsal
[Preflight check]
Cutover runbook
[Cutover window and freeze]
Validation
[Validation query and sign-off]
Rollback
[Rollback trigger]
Communications
[Communications: decision, evidence, owner, constraints, and next action]
Post-migration support
[Post-migration support: decision, evidence, owner, constraints, and next action]
Measurement and Ownership
| Measure or deliverable | Baseline or input | Target or acceptance condition | Source | Owner | Review date |
|---|---|---|---|---|---|
| [Rows migrated] | [Current state] | [Target or acceptance condition] | [System or evidence source] | [Accountable role] | [Date] |
| [Checksum match] | [Current state] | [Target or acceptance condition] | [System or evidence source] | [Accountable role] | [Date] |
| [Error rate] | [Current state] | [Target or acceptance condition] | [System or evidence source] | [Accountable role] | [Date] |
| [Downtime] | [Current state] | [Target or acceptance condition] | [System or evidence source] | [Accountable role] | [Date] |
| [Reconciliation gap] | [Current state] | [Target or acceptance condition] | [System or evidence source] | [Accountable role] | [Date] |
| [Rollback duration] | [Current state] | [Target or acceptance condition] | [System or evidence source] | [Accountable role] | [Date] |