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HyperVault Feature Guide

OceanStor Dorado V3 Series V300R002

This document is applicable to OceanStor Dorado5000 V3, Dorado6000 V3, and Dorado18000 V3. It describes the implementation principles and application scenarios of the HyperVault feature, and explains how to configure and manage HyperVault.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
What Can I Do If the Remote Connection Fails to Be Created with the TOE Interface Module

What Can I Do If the Remote Connection Fails to Be Created with the TOE Interface Module

Question

What can I do if the remote connection fails to be created with the TOE interface module?

Answer

When a remote device whose type is Replication is added or an iSCSI link is added to the remote device, error code 1073804034 may be reported or the link may fail to be added if the local storage system uses the TOE interface module for interconnection.

When a TOE interface module on the local storage system connects to a non-TOE interface module on the remote storage system, the TOE and non-TOE interface modules process data in different ways. As a result, the two systems may use different connection methods, causing connection failure.

NOTE:

This problem does not occur when a non-TOE interface module on the local storage system connects to a TOE interface module on the remote storage system.

Perform the following operations to locate and handle the problem:

  1. Confirm the cause of the connection failure.

    If you establish the connection between a TOE and a non-TOE interface module and fail to add links on the storage system that uses the TOE interface module, the problem is caused by the defect described above. For further confirmation, send the system logs to technical support engineers.

  2. After the confirmation, handle the problem with either of the following methods:

    Method 1: Set up the connection from the non-TOE interface module to the TOE interface module.

    Method 2: On the storage system that uses the non-TOE interface module, run the tcp_recycle_switch.sh command to disable the quick recycle function of the TIME_WAIT socket in the TCP connection. Enable this function after the connection is established.

    1. Enter minisystem mode and run the tcp_recycle_switch.sh off command.
    2. Add the remote device and establish the replication link.
    3. Enter minisystem mode and run the tcp_recycle_switch.sh on command.
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Updated: 2019-02-22

Document ID: EDOC1100067325

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