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SVMがドメインコントローラへの接続を失いました

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ontap-9
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nas<a>2009434497</a>
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環境

  • ONTAP 9
  • CIFS
  • Microsoft Active Directoryドメインコントローラ(AD DC)

問題

  • SVMがドメインコントローラへの接続を失いました
  • EMS.log に失敗を示します。

secd: secd.unexpectedFailure:debug]: vserver (Vserver_01) Unexpected failure. 
Error: Lookup of CIFS account name procedure failed   [  1 ms] 
No servers available for MS_LSA, vserver: 13, domain: domain.com.   [    2] 
No servers available for MS_LSA, vserver: 13, domain: domain.com. **[    3] 
FAILURE: Unable to make a connection (LSA:DOMAIN.COM), result: 6940   [    3] 
Could not find Windows name 'domain\username'   [    3] CIFS name lookup failed 

  • SecD.log に失敗を示します。

RESULT_ERROR_SECD_NO_SERVER_AVAILABLE:6940 in getBestConnection() at src/connection_manager/secd_connection_manager.cpp:898

  • 影響を受けるSVMの検出モードがnoneに設定されている:
::> set advanced
::*> vserver cifs domain discovered-servers discovery-mode show -vserver *
 
Vserver     Mode
--------------- ----------
vserver1     all
vserver2     all
vserver3     site
vserver4     site
vserver5     none
5 entries were displayed.
 
  • 優先ドメインコントローラが設定されていません:

::> vserver cifs domain preferred-dc show
Vserver     Domain Name           Preferred Domain Controllers
-------------- ----------------------------- ----------------------------------
vserver5    domain.com          -

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