hot spare

名词 n.
中文释义

英文释义

名词 n.
  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.

词形变化

hot spares plural
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