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确定ONTAP 中磁盘运行异常导致的性能下降

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Category:
data-ontap-8
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perf
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适用场景

  • 7-模式 Data ONTAP
  • Data ONTAP 8
  • ONTAP 9

问题描述

磁盘运行异常可能会影响存储性能。与运行不正常的磁盘相关的常见症状包括:

  • 一个磁盘上的延迟和利用率高于同一RAID组中的其他配对磁盘
  • "sysstat" 命令输出中的背对背一致点(B或b)

 

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