downage

Noun

 * 1)  An instance or period when the system is down, or unavailable for use.
 * 2) * 2002, Charles V. Breakfield, ‎Roxanne E. Burkey, Managing Systems Migrations and Upgrades (page 109)
 * During trials by early adopters, each problem is identified and rated for severity, from system downage (most severe) to misalignment of a report column (minor).
 * 1) * 2002, Charles V. Breakfield, ‎Roxanne E. Burkey, Managing Systems Migrations and Upgrades (page 109)
 * During trials by early adopters, each problem is identified and rated for severity, from system downage (most severe) to misalignment of a report column (minor).