Availability & SLA
Model availability from MTBF/MTTR or per-component percentage and its redundancy (series, parallel or N+1). Get the nines and the downtime per year, month and week.
Availability
—
—
Downtime / year
—
out-of-service time
Downtime / month
—
monthly average
Downtime / week
—
weekly average
A (%) —
Nines —
Year —
Per-component contribution
| Component | A (%) | Nines | Downtime / year |
|---|
The nines of availability
| SLA | Nines | Downtime / year | Downtime / month | Downtime / week |
|---|
Periods: year = 525,600 min (365 d), month = 43,800 min (year/12), week = 10,080 min (7 d). MTBF/MTTR must be in the same time units. The model assumes independent, uncorrelated failures.
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