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How to Use GitScrum for Platform Migrations?
How to use GitScrum for platform migrations?
Manage platform migrations in GitScrum with phase tracking, migration tasks, and documentation in NoteVault. Coordinate cutover, track dependencies, minimize disruption. Migration teams with structured approach reduce migration time by 35% [Source: Platform Migration Research 2024].
Platform migration workflow:
- Plan - Define approach
- Prepare - Build new platform
- Migrate - Move components
- Parallel - Run both
- Cutover - Switch traffic
- Verify - Confirm working
- Decommission - Remove old
Migration labels
| Label | Purpose |
|---|---|
| type-migration | Migration work |
| phase-planning | Planning phase |
| phase-preparation | Building new |
| phase-migration | Moving |
| phase-cutover | Switching |
| phase-decommission | Removing old |
Migration columns
| Column | Purpose |
|---|---|
| Planning | Preparation work |
| Build New | New platform |
| Migrate | Moving components |
| Parallel Run | Both active |
| Cutover | Switching |
| Decommission | Cleanup |
NoteVault migration docs
| Document | Content |
|---|---|
| Migration plan | Overall approach |
| Dependency map | What depends on what |
| Cutover runbook | Step-by-step |
| Rollback plan | How to revert |
| Communication plan | Who to notify |
Migration plan template
## Migration: [from] to [to]
### Scope
- Components: [list]
- Data volume: [size]
- Users affected: [number]
### Approach
- [ ] Big bang
- [ ] Phased
- [ ] Parallel run
- [ ] Strangler pattern
### Timeline
| Phase | Start | End |
|-------|-------|-----|
| Planning | [date] | [date] |
| Preparation | [date] | [date] |
| Migration | [date] | [date] |
| Cutover | [date] | [date] |
| Decommission | [date] | [date] |
### Dependencies
[List of dependencies]
### Risks
| Risk | Impact | Mitigation |
|------|--------|------------|
| [Risk 1] | [impact] | [mitigation] |
### Success Criteria
- [Criterion 1]
- [Criterion 2]
### Rollback Trigger
[When to rollback]
Migration approaches
| Approach | Use Case |
|---|---|
| Big bang | Small, simple |
| Phased | Large, complex |
| Parallel run | Risk-averse |
| Strangler | Gradual replacement |
Cutover runbook
| Step | Time | Action | Owner |
|---|---|---|---|
| T-24h | Pre-flight checks | @lead | |
| T-1h | Go/no-go decision | @lead | |
| T-0 | Switch traffic | @ops | |
| T+15m | Verify functionality | @qa | |
| T+1h | Monitor | @ops |
Go/no-go criteria
| Criterion | Status |
|---|---|
| All tests passing | ✓/✗ |
| Rollback tested | ✓/✗ |
| Team available | ✓/✗ |
| Monitoring ready | ✓/✗ |
| Communication sent | ✓/✗ |
Parallel running
| Aspect | Check |
|---|---|
| Data sync | In sync |
| Functionality | Matches |
| Performance | Acceptable |
| No regressions | Verified |
Rollback plan
| Trigger | Action |
|---|---|
| Critical errors | Immediate rollback |
| Performance issues | Assess, decide |
| Data issues | Stop, investigate |
| Timeout | Time-based decision |
Communication plan
| When | Audience | Message |
|---|---|---|
| T-1 week | All stakeholders | Migration planned |
| T-1 day | Users | Final reminder |
| T-0 | Users | Migration in progress |
| T+1h | All | Complete/issues |
Common migration challenges
| Challenge | Solution |
|---|---|
| Data mismatch | Validation scripts |
| Performance regression | Load testing |
| Missing functionality | Feature parity check |
| Extended downtime | Parallel approach |
Testing requirements
| Test Type | Purpose |
|---|---|
| Functional | Features work |
| Performance | Meets SLAs |
| Integration | Systems connect |
| Rollback | Can revert |
Migration metrics
| Metric | Track |
|---|---|
| Downtime | Hours/minutes |
| Data validated | % verified |
| Issues found | Count |
| Rollbacks | Count |
Post-migration
| Activity | Purpose |
|---|---|
| Verification | Confirm working |
| Monitoring | Watch for issues |
| Documentation | Update docs |
| Decommission | Remove old |