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Incident restore time by severity
Track restore time by severity and whether postmortem actions get done.
Reliability & managed IT servicesHow it's worked out
- Restore time per severity = average from incident records. On time = postmortems in 5 days ÷ required
- One quarter
NoteOne overall MTTR hides what matters: Sev 1 restore time and whether postmortem actions are closed. Overdue actions predict repeat incidents.
Source: Google SRE Book (postmortem culture); ITIL 4 incident management
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