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Runbook: Recover Loki
1 · Prerequisites
Confirm every item is in place before any state change.
- Loki
- Object store
- Configuration in version control
2 · Pre-checks
Read-only diagnostic commands. If any of these don't match expected output, stop and investigate further.
- · Determine the failure: ingest, query, or both
- · Check the cause: configuration, storage, network
3 · Procedure
Execute each step in order. Verify the expected output of a step before moving to the next.
- 1Verify object store is reachable
- 2Restore configuration from version control
- 3Restart Loki ingesters / queriers
- 4Verify ingester / querier metrics
- 5Test query; test ingestion
4 · Verification
Confirm the procedure actually fixed the problem.
- ✓Loki ingests logs
- ✓Loki queries return data
- ✓loki_canary continues to function
5 · Rollback
If verification fails, undo the procedure in reverse order.
- ↶Reverse recent changes
- ↶Roll back configuration
6 · Escalation
When the runbook isn't enough, contact:
- · Escalate to the platform team
Purpose
Recover Loki
When to use this runbook
Use this runbook when the operator needs a guided procedure to handle the situation described above.
Pre-checks
Before starting the procedure, confirm the prerequisites and pre-checks are met. The structured lists are rendered from the frontmatter by the page layout.
Procedure
Follow the steps from the frontmatter procedure steps. The page layout renders the steps as a checklist with copy-to-clipboard affordances.
Verification
After the procedure, the structured verification items from the frontmatter are rendered as a checklist.
Rollback
If the procedure fails or makes things worse, follow the structured rollback steps from the frontmatter.
Escalation
The structured escalation path is rendered from the frontmatter. Use it if the operator cannot complete the procedure safely.