Data transfer from linux SMB client to storage system occasionally fails
Applies to
- ONTAP 9
- Server Message Block(SMB)
- Linux SMB client
Issue
- Data transfer from linux SMB client to storage system occasionally fails
- Data packet with Seq=943881206 from client failed to reach storage system.
- Storage side reset TCP connection after multiple PSH,ACK TCP retransmission
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