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Linux SMBクライアントからストレージシステムへのデータ転送が失敗することがあります

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Category:
fas-systems
Specialty:
nas<a>SMB</a><a>ファイアウォール</a><a>2009415862</a>
Last Updated:

環境

  • ONTAP 9
  • サーバメッセージブロック(SMB)
  • Linux SMBクライアント

問題

  • Linux SMBクライアントからストレージシステムへのデータ転送が失敗することがあります
  • クライアント からのデータパケット ストレージシステムにアクセスできませんでした
  • 複数PSH、ACK TCP再送信後にストレージ側でTCP接続をリセット
11751  2022-12-28 14:57:12.054314  0.000013  Client_IP  53974  Storage_IP  445  1514  TCP  53974 → 445 [ACK] Seq=943878310 Ack=4031514344 Win=12860 Len=1448 TSval=2002445162 TSecr=571339913 [TCP segment of a reassembled PDU]
11752  2022-12-28 14:57:12.054319  0.000005  Client_IP  53974  Storage_IP  445  1514  TCP  53974 → 445 [ACK] Seq=943879758 Ack=4031514344 Win=12860 Len=1448 TSval=2002445162 TSecr=571339913 [TCP segment of a reassembled PDU]
11753  2022-12-28 14:57:12.054333  0.000014  Storage_IP  445  Client_IP  53974  66  TCP  445 → 53974 [ACK] Seq=4031514497 Ack=943881206 Win=2277 Len=0 TSval=571339919 TSecr=2002445162
11754  2022-12-28 14:57:12.060671  0.006338  Storage_IP  445  Client_IP  53974  117  SMB  Write AndX Response, 65536 bytes
11755  2022-12-28 14:57:12.283350  0.222679  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571340148 TSecr=2002445162
11756  2022-12-28 14:57:12.543341  0.259991  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571340408 TSecr=2002445162
11757  2022-12-28 14:57:12.863343  0.320002  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571340728 TSecr=2002445162
11758  2022-12-28 14:57:13.303343  0.440000  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571341168 TSecr=2002445162
11759  2022-12-28 14:57:13.983339  0.679996  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571341848 TSecr=2002445162
11760  2022-12-28 14:57:15.143322  1.159983  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571343008 TSecr=2002445162
11761  2022-12-28 14:57:17.263309  2.119987  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571345128 TSecr=2002445162
11762  2022-12-28 14:57:21.303251  4.039942  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571349168 TSecr=2002445162
11763  2022-12-28 14:57:29.183164  7.879913  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571357048 TSecr=2002445162
11764  2022-12-28 14:57:44.743496  15.560332  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571372608 TSecr=2002445162
11765  2022-12-28 14:58:00.303316  15.559820  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571388168 TSecr=2002445162
11766  2022-12-28 14:58:15.863143  15.559827  Storage_IP  445  Client_IP  53974  270  TCP  [TCP Retransmission] 445 → 53974 [PSH, ACK] Seq=4031514344 Ack=943881206 Win=2305 Len=204 TSval=571403728 TSecr=2002445162
11767  2022-12-28 14:58:31.430959  15.567816  Storage_IP  445  Client_IP  53974  66  TCP  445 → 53974 [RST, ACK] Seq=4031514548 Ack=943881206 Win=2305 Len=0 TSval=571419295 TSecr=2002445162

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