Write an application-level database recovery handoff
A successful command transcript is handed to on-call staff without clear activation criteria or a statement of potentially missing data.
- Focused work estimate
- 1h 30m + prerequisites
- Priority in the scenario
- Medium
- Engineering practice
- Runbooks · Recovery communication
Estimated field mix
- Database engineering60%
- Site reliability40%
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 case-management team has nightly backup files but has never tested application behavior after restore. Missing roles and external artifact references may make a successful database restore unusable.
Setup prerequisites
- Create a disposable synthetic database and local backup directory.
- Never connect these drills to production or overwrite a shared database.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
- ARESTORE-101 · Inventory database recovery inputs beyond the dump file
- ARESTORE-102 · Create a backup manifest that binds bytes to schema revision
- ARESTORE-103 · Validate that a restore target is isolated before running destructive steps
- ARESTORE-104 · Restore a verified backup into a new database generation
- ARESTORE-105 · Check relational invariants after restoration
- ARESTORE-106 · Reconcile restored database references with external artifacts
- ARESTORE-107 · Prevent post-restore background jobs from repeating completed side effects
- ARESTORE-108 · Measure local restore time with complete verification included
- ARESTORE-109 · Rehearse backup corruption and missing-manifest failure paths
Acceptance criteria
- List verification gates and the selected recovery cutoff.
- Include worker pause/release and artifact availability steps.
- State measured local limits and unresolved production dependencies.
Implementation constraints
- Use fabricated case records in the worked example.
Verification to include
- Follow the handoff from verified backup to synthetic application readiness.
- Follow the no-verified-backup branch and stop without claiming recovery.
Deliverables
- Recovery runbook and worked handoff
Rollout and recovery
Review with a fresh local drill; update the runbook when schema or provider contracts change.
Value of the work
For the engineer: Practice restore verification, provenance and operational recovery.
For the team: Review evidence that recovery produces coherent usable state under declared limits.
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.