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CONAP-242986:使用FCOLICY进行NFS查找时超时和延迟

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Category:
ontap-9
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nas
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问题描述

  • 将ONTAP从9.9.1P16升级到9.13.1P8后、可能会出现间歇性性能问题描述、从而导致ls等命令
    超时。
  • 观察NFS查找的延迟:============================

    RPC SRT统计信息:筛选器:
    nfs.procedure_v3
    索引操作步骤调用最小SRT最大SRT平均SRT总和SRT
    1 getattr 23 0.000387 0.000519 0.000445 0.010242 3查找6856 0.001472 IR995091 0.007256 49.745074 4访问19
    0.000388 0.000587 0.000459 0.008728 16 READ137
    0.000555 0.002521 0.001063
    0.145611



  • NFS操作会放弃点唱机错误并将其返回给客户端,可以在数据包跟踪中观察到这一点:
  • [NFS 22 V3查找回复(141723中的呼叫)错误:NFS3ERR_Jookup]
  • 在SKTRACE中:
  • [[0:0] NBLADE_CHK:n0x7b9510:src/Protocols/NFS/NfsFPolicyProcess.cpp:1636 RT=3288]
  • [[0:0] NBLADE_CHK:0x62a61: src/Protocols/NFS/Nfs3/Nfs3ProchRename.cpp:249 RT=3288]
  • [[14:0] NBLADE_CHK:n0x7b9510:src/Protocols/NFS/NfsFPolicyProcess.cpp:1636 RT=3288]
  • [[14:0] NBLADE_Chk:n0x617331:src/Protocols/NFS/Nfs3/ Nfs3ProcLookup.cpp:274 RT=3288]
  • 禁用FFLICY将停止问题描述

 

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