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NTP が拒否されたため、 KRB5KRB_AP_AP_ERR_SKew が原因で CIFS にアクセスできません

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ontap-9
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nas<a>NTP</a><a>KRB5KRB_AP_ERR_SKew</a>
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環境

ONTAP 9

問題

  • Windows クライアントからの CIFS 共有へのアクセスがすべて失われました。 
  • SECD にエラーが表示されました :
Sun Jul 19 2020 16:49:44 [kern_secd:info:8268] | info : Cluster and Domain Controller times differ by more than the configured clock skew (KRB5KRB_AP_ERR_SKEW)
 
  • NTP ステータスには 、設定されている両方のNTPサーバが時間のずれが原因で拒否されていることが表示されます。

NODE01::> set -privilege advanced

NODE01*::> cluster time-service ntp status show -node * -instance
                    Node: NODE01
NTP Server Host Name, IPv4 or IPv6 Address: 10.1.2.2
             Server IP Address: 10.1.2.2
Is Peer Reachable and Responding to Polls?: true
     Is Peer Selected as Clock Source?: true
         State of Server Selection: sys_peer
   Description of Server Selection State: Server Rejected for Excessive Skew
         Time from Last Poll (secs): 422
        Offset from Server Time (ms): 13.77
         Delay Time to Server (ms): 0.363
         Maximum Offset Error (ms): 9.495
           Reachability of Server: ff
          Stratum of Server Clock: 2
      Reference Clock at Server: 10.1.10.10
      Reported Packet and Peer Errors: -
                    Node: NODE01
NTP Server Host Name, IPv4 or IPv6 Address: 10.1.1.3
             Server IP Address: 10.1.1.3
Is Peer Reachable and Responding to Polls?: true
     Is Peer Selected as Clock Source?: false
         State of Server Selection: outlyer
   Description of Server Selection State: Server Rejected for Excessive Skew
            Poll Interval (secs): 524
         Time from Last Poll (secs): 345
        Offset from Server Time (ms): 15.796
         Delay Time to Server (ms): 0.426
         Maximum Offset Error (ms): 8.861
           Reachability of Server: ff
          Stratum of Server Clock: 3
         Reference Clock at Server: 10.1.10.10
      Reported Packet and Peer Errors: -

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