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SnapMirror 最后确定阶段由 p2_flush 控制的长 CPS

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Category:
ontap-9
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perf
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适用于

ONTAP 9

问题

在最后确定阶段、 SnapMirror (仅限于 XDP 类型关系)目标上发生了长 CPS 、长 CPS 由长 P2_Flush 阶段控制、而性能统计或性能归档中没有任何可识别的磁盘或 CPU 瓶颈。 

以下是一些可能的症状:

  • 长 CP >30 秒
  • 返回到后端 CPS 以及高写入延迟
  • CP 主要由 P2_Flush 阶段控制
  • CPU 利用率和磁盘利用率不高
  • SnapMirror XDP 传输正处于最终阶段、无论它是基线传输还是增量传输

 

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