noun
disaster recovery; fault clearing; fault restoration
Technical term used in IT, engineering, and disaster management for restoring systems or services after a failure or outage.
システムの障害復旧には数時間かかった。
It took several hours to recover from the system failure.
障害復旧計画を事前に策定しておくことが重要だ。
It is important to establish a disaster recovery plan in advance.
Compound of 障害 (fault, obstacle) and 復旧 (restoration, recovery). The exact historical derivation is uncertain, but the term is a modern technical coinage.