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NFS 客户端间歇性无法连接到挂载

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Category:
ontap-9
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nfs
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适用场景

  • ONTAP 9
  • NFS

问题描述

  • NFS 客户端无法间歇性连接到挂载,并显示以下错误:

Jun 13 22:02:58 linuxclient.domain.com kernel: nfs: server netapp01.domain.com not responding, still trying

  • ONTAP EMS 中记录了 DNS 和 LDAP 超时错误
  • 在环境中还会发现其他问题,例如监控软件未连接,某些客户端无法通过 SSH 连接,集群对等方间歇性无法访问
  • 重新启动受影响的 NFS 客户端将解析问题描述,但在一段时间后会发生相同的挂起
  • 接管和交还存储节点不起作用
  • 交换机,存储控制器或客户端上不会记录任何端口错误
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