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如何对间歇性NFS连接问题进行故障排除

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Category:
ontap-9
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nas
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适用场景

  • ONTAP 9
  • NFS

问题描述

  • 在间歇性NFS访问问题期间、通常仅客户端记录相关消息、而ONTAP不记录相关消息。
    • 客户端操作系统 /var/log/messages

Aug 27 13:22:54 ubuntu kernel: [259435.957429] nfs: server test93 not responding, still trying
Aug 27 13:23:08 ubuntu kernel: [259450.703137] nfs: server test93 OK
Aug 27 13:26:36 ubuntu kernel: [259658.162095] nfs: server test93 not responding, still trying
Aug 27 13:50:47 ubuntu kernel: [261109.661151] nfs: server test93 not responding, still trying
Aug 27 13:51:06 ubuntu kernel: [261128.092933] nfs: server test93 not responding, still trying
Aug 27 13:51:44 ubuntu kernel: [261166.098494] nfs: server test93 OK
Aug 27 13:51:44 ubuntu kernel: [261166.099052] nfs: server test93 OK

  • 必填信息:
    • 此问题是何时首次出现的?
    • 是特定于的问题
      • 远程客户端?
      • 本地客户端?
      • 所有客户端?
    • 哪个版本的NFS协议会受到影响?
    • 此存储系统如何连接到网络?
      • 存储系统是否使用千兆以太网端口?
      • 客户端/服务器是否通过千兆位或千兆位以太网进行连接?
    • 此问题是经常发生还是仅在特定时间发生?
    • 是否存在与文件管理器直接相关的活动?

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