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写入性能受背靠背一致性点影响

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ontap-9
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适用场景

  • ONTAP 9
  • FAS
  • AFF

问题描述

  • FlexVol 或 FlexGroup 的写入延迟高于预期，这也可以在统一管理器工具中观察到
  • 延迟 Data or Disk  根据 QoS统计信息或AIQ报告为 或WAFL Susp CP 延迟
  • 报告的延迟与写入工作负载的增加完全一致
  • sysstat -x 输出显示CP类型CP_Ty B (背靠背) CPS的证据

非AFF控制器更容易受到此问题描述的影响

 

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