Capacity backup adds to availability and allows for a minimum set of active processes that can be activated in the event of an emergency.

计算能力备用有助于提高可用性，允许只启用最少量的处理资源，可以在发生紧急事件时启用更多的处理资源。

youdao

Microsoft had had the foresight to order backup manufacturing capacity from a third party.

WSJ: Playing the Fool

Design and monitor database backup, archive and storage capacity.

UNESCO: Job title

Toshiba's Canvio Special Edition Portable Hard Drive provides users with spacious storage capacity and a complete, yet simple-to-use backup solution.

ENGADGET: Toshiba unveils 2TB Canvio Basics and Special Edition portable drives