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Connection Reset by Peer between Storage Nodes and Load Balancer

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Applies to

  • NetApp StorageGRID 11.3
  • 3rd party load-balancer or firewall

Issue

Load balancer logs Connection Reset by Peer on communication with storage nodes.
Packet trace will show ACK  response (instead of SYN-ACK) on initial SYN  request in TCP session setup.
Followed by a few retransmits of same SYN request (and SYN-ACK response) before connection eventually getting reset.
 
Image_for_KB.png
 
Note the different sequence numbers between SYN request an ACK response.

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