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SVMが誤ったLIFを使用してネームサーバ(DNS / DC / LDAP)と接続しているとCIFS共有にアクセスできない

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Category:
ontap-9
Specialty:
nas<a>2009233954</a>
Last Updated:

環境

ONTAP 9.2-9.10

問題

  • ONTAPのアップグレードまたはLIFの移行後、 WindowsクライアントからIPアドレスを使用してCIFS共有にアクセスできない、およびSVMでDNSチェックが失敗します。
  • SVMには複数のLIFがあり(それぞれ異なるネットワーク上の各LIF)、デフォルトルートは両方のLIFに対して同じメトリックを使用して設定されます。
  • SVMの複数のLIFが存在しない場合、ネットワーク内のDNS / LDAP / DCサーバとの通信に使用できるLIFは1つだけです。
  • イベントログには、DNSおよびLDAPへの接続に失敗し、「Operational timed out」というエラーが表示されます。
  • ストレージがDNSに接続してドメインコントローラを検出し、ユーザを認証できないため、CIFS認証に失敗しました。
  • ログ
7/11/2022 10:20:26 node-02 ERROR secd.cifsAuth.problem: vserver (vserver1) General CIFS authentication problem. Error: User authentication procedure failed
CIFS SMB1 Share mapping - Client Ip = 10.1.10.x
[ 0 ms] Login attempt by domain user 'Domain/user1' using NTLMv2 style security
[ 2003] TCP connection to ip 10.1.2.x, port 389 failed: Operation timed out.
[ 2003] LDAP search for the "dnsHostName" attribute(s) within base "" (scope: 0) using filter "(objectClass=*)" failed with error: Can't contact LDAP server
[ 4004] TCP connection to ip 10.1.2.x, port 389 failed: Operation timed out.
[ 4004] LDAP search for the "dnsHostName" attribute(s) within base "" (scope: 0) using filter "(objectClass=*)" failed with error: Can't contact LDAP server
[ 6005] TCP connection to ip 10.1.2.x, port 389 failed: Operation timed out.
[ 6005] LDAP search for the "dnsHostName" attribute(s) within base "" (scope: 0) using filter "(objectClass=*)" failed with error: Can't contact LDAP server
[ 8009] Failed to connect to 10.1.2.x for DNS via Source Address 10.1.1.x: Operation timed out
[ 9010] Failed to connect to 10.1.2.x for DNS via Source Address 10.1.1.x: Operation timed out
**[ 9012] FAILURE: Unable to contact DNS to discover domain controllers.
[ 9013] Unable to make a connection (NetLogon:DOMAIN.COM), result: 6812
[ 9015] CIFS authentication failed
[ 9015] Retry requested, but the retry window (7000 ms) has expired; giving up.

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