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HyperVault Feature Guide

OceanStor V3 Series V300R006

This document is applicable to OceanStor 2200 V3, 2600 V3, 5300 V3, 5500 V3, 5600 V3, 5800 V3, 6800 V3, 18500 V3, and 18800 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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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: 2019-07-12

Document ID: EDOC1000138860

Views: 19440

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