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VSCAN サーバーの CPU 使用率が高いと CIFS アクセスに問題が発生する

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ontap-9
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nas
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環境

  • ONTAP 9
  • Vscan
  • SentinelOne

問題

  • VSANサーバのCPUが100%に達したため、
  • ユーザーはCIFS共有にアクセスできなくなり、
  • EMSログにエラーが表示される。Nblade_CifsOperationTimedOut_1 'lastSpinNpError': 'SPINNP_ERR_OFFBOX_VSCAN_REQD'

Tue Jun 03 10:06:54 +0100 [node-01: kernel: Nblade_CifsOperationTimedOut_1:error]: params: {'commandName': 'SMB2_COM_CREATE', 'suspensionCnt': '4', 'cmdRestartCnt': '0', 'lastCsmError': 'CSM_OK', 'remoteBladeID': '6401c875-9f30-11ee-9941-d039eaaf0c59 (node-01)', 'isQosEnabled': 'QoS_disabled', 'lastSpinNpError': 'SPINNP_ERR_OFFBOX_VSCAN_REQD', 'clientIpAddress': '172.xx.xx.xx', 'localIpAddress': '172.xx.xx.xx', 'vserverId': '16', 'dsId': '1079', 'vserverName': 'svm'}

  • EMSログにエラーが表示されるvscanExcessiveTOs

Tue Jun 03 10:13:02 +0100 [node-01: kernel: Nblade.vscanExcessiveTOs:error]: Vscan timed-out scanning events exceeded 2000 in the last 30 minutes for Vscan server (IP: 192.xx.xx.xxx) in SVM "svm".

  • Vscanイベント表示scan-timedoutそして scan-internal-error:

::*> vserver vscan show-events -vserver <vserver_name>

  • パフォーマンス アーカイブ データは、ウイルス スキャナー接続の遅延が大きいことを示しています。

# Offbox_vscan_server #
Report offbox_vscan_server for ASUP - xxxxxxxxxxxx

Cluster: cluster-1 (4b3d00bc-9f32-11ee-9941-XXXXXX)
Node: node-01 (6401c875-9f30-11ee-9941-xxxxxxxxx)
Model: AFF-A400
Release: 9.14.1P7
Time Range: 2025-06-03 06:00:01.000+00:00 - 2025-06-03 10:00:01.003+00:00

start                       end                         instance                            scan_latency (us)
2025-06-03 09:07:15 +00:00  2025-06-03 09:12:15 +00:00  svm-13:192.168.0.195:xxxxxxx        26772580.58
2025-06-03 09:07:15 +00:00  2025-06-03 09:12:15 +00:00  svm-11:192.168.0.195:xxxxxxx        22766879.80
2025-06-03 09:12:15 +00:00  2025-06-03 09:17:15 +00:00  svm-13:192.168.0.194:xxxxxxx        22062075.29
2025-06-03 09:17:15 +00:00  2025-06-03 09:22:15 +00:00  svm-09:192.168.0.194:xxxxxxx        21579253.00

 

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