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AFF 上的数据处理延迟来自快速切换卷的工作负载

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perf<a>2008592298</a><a>用于翻译</a>
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适用场景

  • AFF (可能会影响FAS 、但不太可能引起注意)
  • ONTAP 9
  • 包含大量LUN或其他虚拟磁盘的环境(远远超过16个)

问题描述

  • CPU数据延迟高至1毫秒以上
  • 这些工作负载会对ONTAP 中的不同LUN或虚拟磁盘使用RAID条带化、从而在多个卷之间进行条带化
  • ONTAP 的相关性 上限仅为16 、而执行工作的卷数量更大

 

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