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新 ONTAP 集群上的 FC LUN 速度缓慢

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Category:
ontap-9
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perf
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适用场景

  • ONTAP 9
  • 升级到新的 AFF 集群
  • FC LUN

问题描述

  • 从旧 AFF 迁移到新 AFF (例如从 AF-8080 迁移到 AF-A400 )的性能似乎较差
    • AF-8080 上的数据应为 1 Gb/ 秒,但性能可能仅为 300-700 MB/ 秒
  • 如果使用间接 I/O (在节点 1 上使用 LIF ,但卷驻留在节点 2 的磁盘上),则会出现高延迟
  • 一个节点与另一个节点之间的性能 SnapMirror 测试(用作基线)仅执行 300 MB/ 秒的吞吐量
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