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如何在ONTAP 中识别用于根数据分区的备用磁盘

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适用场景

  • ONTAP 9

问题描述

借助高级磁盘分区( ADP )、物理磁盘在存储级别划分为少量分区、每个分区均被 RAID 和 HA 视为逻辑磁盘。聚合是从分区配置的、而不是从整个磁盘配置的。跨节点和聚合共享磁盘的能力有助于大大提高入门级配置(例如 12 个 HDD 和 24 个 HDD 的 NetApp FAS 系统以及全闪存 FAS (AFF) 系统上的存储效率。 

目前有两种类型的磁盘分区:

  • 根数据分区
  • 存储池分区 

本文介绍了确定用于根数据分区的备用磁盘的过程。入门级系统和 AFF 系统使用“根数据”分区。在这种分区方法中,磁盘被分区为两个大小不等的分区。两个磁盘分区( P1 分区)中较大的分区用于客户数据聚合。两个磁盘分区( P2 分区)中较小的分区用于根聚合。

 

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