Availability (excluding planned downtime)
Definition
Percentage of actual uptime (in hours) of equipment relative to the total numbers of planned uptime (in hours). Planned uptime = service hours - planned downtime Planned downtime is downtime as scheduled for maintenance. Also known as: Service Outage Duration
Tags
availability, downtime, device, equipment, maintenance, schedule, planning, duration
Metadata
Category: MOF Availability Management · Added: May 17, 2026
Metrics & KPIs