Patent ID: 11968260
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 15:
16. The method according to claim 12, wherein
the RDMA operation command is an input/output (IO) read command,
after the first controller sends an RDMA write message by using the first shared connector, the disconnection event occurs before a negative acknowledgment message of the RDMA write message is received or before a retransmission packet of the RDMA write message is sent because the negative acknowledgment message of the RDMA write message is received,
the first RDMA message is a second SEND message comprising an IO response,
the IO response indicates that a read operation is completed, and
the method further comprises:
before the sending a first RDMA message corresponding to the first QP connection to the host client based on the WQE, sending, by the first shared connector, a fake retransmission packet of the RDMA write message to the host client, wherein a packet sequence number (PSN) of the fake retransmission packet is the last RDMA packet of the RDMA write message sent before the disconnection event occurs, or a PSN of an initial retransmission packet of the RDMA write message.