hot spare

短语

词形变化

hot spares 复数 hot spares

释义与例句

n.
  1. 1.

    A spare device, component, or other piece of equipment which is kept powered up although not being actively used, allowing it to be immediately brought online as a replacement should a piece of equipment fail while in active use.

    In addition to the six hard drives making up the primary RAID array, the server has three hot spares ready to automatically take over for any failed drives in the array.