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ONTAP からs3階層は使用できないTLSハンドシェイクタイムアウトが報告されます

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環境

  • StorageGRID 11.6
  • FabricPool 解決策
  • ONTAP 9.10.1P7
  • ハードウェアロードバランサによる冗長StorageGRIDゲートウェイノード。
  • StorageGRIDゲートウェイノード上の従来のCLBサービス。

問題

イベントのONTAP FabricPoolレポート:

Tue Jan 17 02:15:42 +0000 [eu-cfiler05-01: ktlsd: ktls.failed:notice]: "The TLS connections have failed several times with remote host '10.11.92.84' in IPspace '4294967295', for which the latest reason given is: TLS: Handshake timed out.
Tue Jan 17 02:17:03 +0000 [eu-cfiler05-01: OscHighPriThreadPool: object.store.unavailable:EMERGENCY]: Unable to connect to the object store "xx-s3" from node xxxxxx-709d-11ec-8271-d039ea380eaa. Reason: Internal server error.
Tue Jan 17 02:17:03+0000 [eu-cfiler05-01: OscLowPriThreadPool: object.store.available:notice]: Able to connect to the object store "xx-s3" from node xxxxxx-709d-11ec-8271-d039ea380eaa.

両方のゲートウェイノードでkernel.logを確認すると、次の情報が表示されます。

Jan 17 01:03:46 localhost kernel: [5006170.113426] TCP: request_sock_TCP: Possible SYN flooding on port 8082. Sending cookies. Check SNMP counters.
Jan 17 02:36:29 localhost kernel: [5011732.576329] TCP: request_sock_TCP: Possible SYN flooding on port 8082. Sending cookies. Check SNMP counters.

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