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使用多个并发“块所有权”扫描程序时 CPU 利用率较高

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3
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Public
Votes:
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Category:
data-ontap-7
Specialty:
perf
Last Updated:

适用于

ONTAP 8.1 7- 模式

问题

  • Transition (TDP) 从 7- 模式复制到 C 模式的速度较慢。
  • 有许多后台进程正在运行,例如NDMP, schedule snapshots:和 snapmirror.
  • WAFL 扫描在 WAFL_免除 中占用了大量 CPU 时间,并导致"Kahuna"域运行延迟。 
  • Kahuna 是一家Serialized WAFL,平均利用率超过 80% 。

 

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