> when RDMA is used, a message is transferred from card A (in node > A) to card B (in node B), card B delivers the message to to user buffer, > and sends ACK to card A, but ACK is lost due to switch fail. So process > on node A get fail for this transfer, but process on node B check the > memory and get the message(success). > > If send/recv(SRQ) is used, is it possible that process on node A > get failure, but process on node B successfully get the message ?
Yes, of course, for exactly the same reason you describe above (lost ACK). - R. _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
