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再起動後にCIFS/SMB認証が失敗する

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Category:
ontap-9
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nas
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環境

  • ONTAP 9
  • CIFS/SMBプロトコル環境
  • Active Directory統合認証

問題

ONTAPの再起動およびActive Directoryドメイン コントローラ(ADDC)の交換後、ユーザーはCIFS共有への認証ができなくなります。
この問題はすべてのクラスタに影響を及ぼし、本番環境の停止やコンプライアンス違反を引き起こします。
 

症状とログ出力:

  • ドメイン コントローラに接続できません(SecD errors: “noserveravailable")
  • パスワードリセットの失敗:
    Error: command failed: Password update failed. Reason: SecD Error: noserveravailable.
  • ログに記録された認証エラー:
    • Kerberos:KRB5KDC_ERR_PREAUTH_FAILED
    • LDAPバインドエラー:FAILURE: Unable to SASL bind to LDAP server using GSSAPI: Local error
    • EMS:Unable to connect to LDAP (Active Directory) service... Result: RESULT_ERROR_SECD_NO_SERVER_AVAILABLE
  • ユーザが CIFS 共有にアクセスできない

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