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由于DNS连接问题、SSH连接失败

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Category:
ontap-9
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core
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适用场景

  • ONTAP 9
  • FAS
  • AFF

问题描述

  • 与集群管理和节点管理 IP 的 SSH 连接失败。
    • 连接已建立,但输入用户名后,系统未提示输入密码。
    • 会话终止并显示以下错误:

由于DNS连接问题、SSH连接失败

  • 通过 SSH 连接到 SP IP 并以同一用户身份登录成功。
  • 事件日志显示 ONTAP 尝试使用多个 DNS 服务器,但没有收到响应:

[Node1: mgwd: dns.server.timed.out:error]: DNS server 10.XX.XX.20 did not respond to vserver = svm1 within timeout interval.
[Node1: mgwd: dns.server.timed.out:error]: DNS server 10.XX.XX.21 did not respond to vserver = svm1 within timeout interval.
[Node1: sshd: sshd.loginGraceTime.expired:error]: Timeout before password authentication for remote host 10.XX.XX.22. 

  • 消息日志显示 SSH 断开连接:

[daemon:info] 1 2022-12-13T16:17:21.245349+00:00 Node1 xinetd 7827 - - EXIT: ssh status=1 pid=42567 duration=30(sec)

 

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