Restore database references before enabling object reads
The application exposes restored metadata while referenced objects are still missing.
- Focused work estimate
- 3h + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Readiness · Data integrity
Estimated field mix
- Site reliability40%
- Database engineering30%
- Storage systems30%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
A fictional reporting service has successful backup jobs but no recent restore rehearsal. Database rows reference objects with different retention schedules.
Setup prerequisites
- Create disposable local database and object-store fixtures with synthetic reports; author backup and corruption examples.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
Acceptance criteria
- Keep restored service unavailable until coherence checks pass.
- Reconcile every required object reference.
- Report dangling references without inventing replacements.
Implementation constraints
- Public readiness must not imply partial data is complete.
Verification to include
- Restore a coherent report set.
- Remove one object and keep readiness blocked.
Deliverables
- Restore readiness checks.
Rollout and recovery
Promote only a validated restore; preserve the original scratch failure state.
Value of the work
For the engineer: Practice recovery consistency, integrity validation, and honest recovery objectives.
For the team: Replace backup-job optimism with a repeatable restoration assessment.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.