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DNSが4時間ごとに原因secd.ldap.noServersメッセージをタイムアウトします

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Category:
ontap-9
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nas
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環境

  • ONTAP 9
  • SMB
  • ドメイン検出
  • LDAP

問題

  • EMSログには次の4時間ごとにエラーが記録されます。

Sun May 15 12:29:54 HKT [nodeA: secd: secd.ldap.noServers:EMERGENCY]: None of the LDAP servers configured for Vserver (NAS11) are currently accessible via the network for LDAP service type (Service: LDAP (Active Directory), Operation: SiteDiscovery).

  • DNSルックアップが失敗する:

Sun May 15 20:15:39 HKT [nodeA2: secd: secd.dns.server.timed.out:error]: DNS server 10.0.0.10 did not respond to vserver = NAS11 within timeout interval.
Sun May 15 20:15:48 HKT [nodeA2: secd: secd.dns.srv.lookup.failed:error]: DNS server failed to look up service (_ldap._tcp.dc._msdcs.local.domain.net) for vserver (NAS11) with error (Operation timed out).

  • DNSポインタ(PTR)レコードはDCごとに存在し、正しいホスト名を参照している

 

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