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使用FlexCache NFS升级集群后、9.15.1访问挂起、命令行界面命令挂起或响应缓慢

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ontap-9
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适用场景

  • ONTAP 9 15.1+
  • Flexcache
  • NFS

 

问题描述

  • 在将托管FlexCache的节点升级 到9.15.1+后、NFS访问会挂起、并且大多数命令行界面命令会挂起或接收响应速度较慢
  • 以下内容也会显示在日志中
    • sktrace.log显示SPINVFS_FILEOPS_SPINVFS_TIME <OP>为"TIME =<val>、 大于5000 
      • SPINVFS_FILEOPS_WRITERPC:sping_writerpc end:tid=(123456:spniod 3) vnode 0xfff1234a5678b0 dsid 0xa12b34fid 12345  、cd错误=0、时间=7227毫秒
    • mgwd.log可能会记录"QLite mute_trace:输入延迟较长"
      • [kern_mgwd:info:3822] 0xabcdef01234:0:警告:SQL_context: SQLite mutex_Leave _traced: src/SQLIT_context.cc:609 SQLite mutex_trace:mutex0x123a01234的输入延迟较长(6353毫秒)
    • EMS可能会记录 CTRAN Connection Closed
      • CsmMpAgentThread:csm.connClose:debug:带有标记CTRAN的会话(req=node:dblade、rsp=node:dblade、uniquitifier=0b01234567890123):从本地LIF0到远程IP的连接已关闭。
  • 如果节点具有48个或更多CPU核心、并且 与大量远程节点建立了大量FlexCache关系、则更有可能出现此问题描述

 

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