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什么是孤立磁盘？

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适用场景

ONTAP 9

问题解答

如果某个磁盘过去属于某个 RAID 组，则该磁盘将成为孤立磁盘，但与同一 RAID 组中的其他磁盘相比，该磁盘元数据已过时。
 
例如：
如果多个磁盘彼此出现故障，导致 RAID 组脱机，并且第一个故障磁盘手动未出现故障，则它将成为孤立磁盘。

追加信息

孤立磁盘仍包含数据，如果 RAID 组出现多驱动器故障，则孤立磁盘可能有助于恢复故障 RAID 组。
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