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扩展聚合时添加的磁盘总数是多少

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适用于

  • BlueXP
  • Cloud Volumes ONTAP (CVO)
  • Amazon Web Services (AWS)
  • Google Cloud Platform (GCP)

回答

对于添加以扩展聚合的活动文件系统的每个磁盘，都会将相同大小的磁盘添加到伙伴节点以进行同步镜像。让我们以以下场景为例： 
  • BlueXP 用户尝试向聚合添加两个 8 TiB GP2 磁盘。当用户尝试购买磁盘时，BlueXP 显示以下通知：

aggr disk 1.png

  • 当聚合扩展时，提到的磁盘数为 4，但调配的大小仅为 2 个磁盘的大小 （不包括聚合元数据和性能的保留空间）：

aggr info.png

  • 上述反映背后的原因是，总磁盘计数还考虑了添加到伙伴节点以进行同步镜像的磁盘。

 

 

追加信息

  • 值得注意的是，虽然系统增加了 32 TiB 的容量（由 4 个磁盘计算），并且云提供商对所有 4 个磁盘收费，但只有 16 TiB 计入 NetApp 许可证限制。
  • AWS 中的存储限制
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