From Longman Dictionary of Contemporary Englishfault-tolerant computer/machinefault-tolerant computer/machinea computer or machine that continues working even if it has a fault or when there is a fault in a program → fault-tolerant
Examples from the Corpus
fault-tolerant computer/machine• It believes that the new LightsOut software is the first unattended event monitoring program from a supplier of Unix-based fault-tolerant computers.• The chips are targeted at embedded controls, portable and desktop computers, high-end fault-tolerant machines and supercomputers. 