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ADユーザ認証の使用中にAIQUMからクラスタに到達できないと断続的に報告される

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環境

  • ActiveIQ Unified Manager ( AIQUM ) 9.6+
  • ONTAP 9
  • Kerberos認証

問題

  • AIQUMは次のようにアラートをトリガーします。 The cluster <cluster_name> is not reachable. Username or password has changed. Edit the cluster and enter valid username and password
  • アラートは本質的に断続的である
  • クラスタを確認すると、クレデンシャルが正しいことが表示される
  • さらに、同じクラスタのADクレデンシャルによってアクセスされるNFS共有でも、同じ問題が表示されます。
  • ONTAPイベントログに表示される内容:

ERROR     secd.cifsAuth.problem: vserver (ant-ntap-clu28-ads) General CIFS authentication problem. Error: Ontap admin cifs authentication basic procedure failed
  [ 36 ms] Successfully connected to ip <share_IP>, port 88 using TCP
  [   93] Successfully connected to ip <share_IP>, port 88 using TCP
  [   116] Unknown error: 39756032
  [   117] Kerberos authentication failed. Trying NTLM
  [   117] Login attempt by domain user '<domain\user>' using NTLMv2 style security
  [   134] Successfully connected to ip <share_IP>, port 445 using TCP
  [   170] Successfully connected to ip <share_IP>, port 88 using TCP
  [   209] Unknown error: 39756032
  [   209] Kerberos authentication failed with result: 7556.
  [   209] Unable to connect to NetLogon service on <share_name_with_domain> (Error: RESULT_ERROR_SECD_NO_CONNECTIONS_AVAILABLE)
  [   209] No servers available for MS_NETLOGON, vserver: 3, domain: <domain_name>.
**[   209] FAILURE: Unable to make a connection (NetLogon:<domain_name> result: 6940

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