Assertion: failure | /r/HasProperty | mtbf
Facets:
Source sentences:
text: Drive manufacturers typically specify a mean time between failures (MTBF) or an annualized failure rate (AFR) which are population statistics that can't predict the behavior of an individual unit.
text: In practice, the mean time between failures (MTBF, 1/λ) is often reported instead of the failure rate.