Average time taken to fully resolve an incident and restore normal service.
Mean Time to Repair (also MTTR, context distinguishes from Mean Time to Respond) measures average time from incident start to full resolution and service restoration. It encompasses the entire incident lifecycle—detection, response, diagnosis, repair, and recovery. Lower MTTR indicates more efficient incident handling.
Why It Matters
The DSC Perspective:
Resolution time is what affects your business. Fast response is meaningless if resolution takes days. Ensure SLAs include resolution targets, not just response targets.