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过高的总体使用率是否会影响 ONTAP 恢复

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适用场景

ONTAP 9.14.1 及更高版本

问题解答

  • 升级到 ONTAP 9.14.1 后,可用聚合空间增加,因为 WAFL 预留从 10% 减少到 5%(这是设计使然),
  • 假设升级后聚合使用率增加到接近 100%,并且 ONTAP 由于还原而强制将 WAFL 预留百分比恢复到 10%,这可能会导致聚合空间问题,
  • 还需要考虑 KB 中概述的有关聚合使用情况的建议准则, 存储使用对性能的影响

追加信息

ONTAP 9.14.1 的新增功能

对于 FAS 平台,大于 30 TB 的聚合的 WAFL 预留从 10% 减少到 5%,从而增加了聚合中的可用空间

 

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