MTBF
41Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
42Service life — A product s service life is its expected lifetime, or the acceptable period of use in service. It is the time that any manufactured item can be expected to be serviceable or supported by its manufacturer. Expected service life consists of… …
43Annualized failure rate — (AFR) is the relation between the mean time between failure (MTBF) and the assumed hours that a device is run per year, expressed in percent.ExampleA disk drive s MTBF number may be 1,200,000 hours and the disk drive may be running 24 hours a day …
44Maintenance philosophy — is the mix of strategies that ensure an item works as expected when needed.[1][2] Contents 1 Definition 1.1 Failure Detection 1.1.1 Conditi …
45Availability — For the thermodynamic function availability , in the sense of available useful work, see exergy. For availability as a form of cognitive bias, see availability heuristic. In telecommunications and reliability theory, the term availability has the …
46Design life — The design life of a component or product is the period of time during which the item is expected by its designers to work within its specified parameters; in other words, the life expectancy of the item. It is the length of time between… …
47Soft error — In electronics and computing, an error is a signal or datum which is wrong. Errors may be caused by a defect, usually understood either to be a mistake in design or construction, or a broken component. A soft error is also a signal or datum which …
48Reliability engineering — is an engineering field, that deals with the study of reliability: the ability of a system or component to perform its required functions under stated conditions for a specified period of time. [ Definition by IEEE] It is often reported in terms… …
49Power supply unit (computer) — Power supply unit with top cover removed A power supply unit (PSU) supplies direct current (DC) power to the other components in a computer. It converts general purpose alternating current (AC) electric power from the mains (110 V to… …
50Fault tolerance — Tolérance aux pannes Le concept de tolérance aux pannes se réfère à une méthode de conception d un système de telle façon qu il puisse continuer à fonctionner, potentiellement de manière réduite, au lieu de tomber complètement en panne dès que l… …
