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プロセスの NDO マネージャが原因でホスト OS 利用率が高くなっています

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Category:
ontap-9
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perf
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環境

  • ONTAP 9
  • HostOS 利用率

問題

  • HostOS ドメインが原因でノードの CPU 数が多い場合 sysstat -M、コマンドを実行すると hostドメイン利用率が高く表示されます
  • ホストドメインを中心とした出力例 

 AVG CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7  Nwk_Lg Nwk_Exmpt Storage Raid  WAFL_Ex(Kahu)  Exempt SSAN_Ex Intr Host Ops/s 
 65%  47%  43%  45%  75%  67%  75%  67%  71%    15%     10%    15%   4%   211%( 14%)   180%   161%   5% 335%  8911   
 84%  73%  74%  76%  87%  86%  88%  84%  89%    14%     9%    17%   5%   229%( 15%)   124%   167%  10% 366%  9892   
 89%  80%  84%  83%  93%  90%  91%  91%  91%    17%     11%    12%   6%   190%( 12%)   200%   145%   8% 428%  9796   
 74%  61%  59%  60%  82%  76%  79%  80%  78%    20%     13%    14%   5%   212%( 14%)   208%   148%   7% 456%  8805   
 76%  67%  60%  59%  82%  80%  81%  78%  79%    17%     12%    15%   6%   231%( 15%)   174%   157%   6% 388%  9663   

 

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