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为什么 NetApp Harvest 报告 WAFL 清洁的高使用时间?

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Category:
data-ontap-8
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perf
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可不使用  

适用于

  • ONTAP 9
  • NetApp Harvest 
  • 集群模式 Data ONTAP ( cDOT )

解答

  • NetApp Harvest Performance Monitoring Tool 可能会报告“ WAFL 写入清除”的高系统利用率:

WAFL_WRE_CLEANING

  • “ WAFL 写入清除”是 NetApp Harvest 在控制器处理一致性点( CP )时使用的术语
  • 一致性点有多个阶段; WAFL 写入清理是指从磁盘收集元数据的一致性点的特定阶段
  • 由于 WAFL 写入清理而导致系统利用率高并不表示性能问题;这是完全正常的性能状态

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