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HostOSドメインプロセスのFPolicyによるCPU利用率の上昇

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ontap-9
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perf<a>2008601391</a>
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環境

  • ONTAP 9
  • ホストOS 使用率

問題

  • 1つのノードのCPU使用率が高い。
  • FPolicyが設定されていません。
  • を実行する sysstat -M と、他のドメインと比較してホストドメインの使用率が高くなります。
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
 
  • TOP-BS ASUPのフル出力  
  PID USERNAME     THR PRI NICE   SIZE   RES STATE   C   TIME   WCPU COMMAND
  10 root        8 155 ki31    0K   160K RUN    7   ??? 446.83% idle
 2684 root       44  40   0 99244K 13200K uwait   2 3286.6 100.00% fpolicy
   0 root       184 -88   -    0K  3944K gemini  5 9741.1  27.88% kernel
 3364 root        1   8   -    0K   68K CPU2   2 3039.9  16.36% disk_server_0
 4493 root        1  12   -    0K   192K WAIT   4 2814.8  12.99% wafl_exempt05
 4488 root        1  12   -    0K   192K WAIT   7 2814.0  12.74% wafl_exempt00
 4489 root        1  12   -    0K   192K WAIT   4 2814.9  12.65% wafl_exempt01
 4492 root        1  12   -    0K   192K WAIT   7 2812.9  12.55% wafl_exempt04
 4491 root        1  12   -    0K   192K WAIT   7 2811.9  12.35% wafl_exempt03
 4494 root        1  12   -    0K   192K WAIT   7 2814.4  11.96% wafl_exempt06
 4490 root        1  12   -    0K   192K WAIT   4 2811.9  11.57% wafl_exempt02

 

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