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Configuration Guide - Device Management

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of Device Management, including device status query, hardware management, Information Center Configuration, NTP, Synchronous Ethernet Configuration, Fault Management Configuration, Energy-Saving Management Configuration, Performance Management Configuration, Maintenance Assistant Configuration, and OPS Configuration.
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Configuring Active/Standby Switchover

Configuring Active/Standby Switchover

Context

When the software of the device supporting hot standby of two MPUs or the system is maintained, you can manually perform an active/standby switchover on MPUs. The active/standby switchover restarts the running master and standby MPUs. After the restart, the master MPU becomes the standby and the standby MPU becomes the master.

Before performing an active/standby switchover, check whether MPUs meet switchover requirements. If the device is in any of the following situations, do not perform an active/standby switchover:
  • The file system is in use. For example, the device is creating, deleting, or saving a file or directory in the CF card.

  • The device is loading or deleting LPU information after either of the following operations is performed:
    • Hot swap the LPU.

    • Reset the LPU using a command.

  • The master and standby MPUs have different memory sizes.

During an active/standby switchover, do not insert, remove, or reset master and standby MPUs, LPUs, power modules, or fan modules. Otherwise, the device may restart or fail.

During an active/standby switchover, existing services will not be interrupted.

Procedure

  1. (Optional) Run display switchover state

    Information about active and standby MPU switchover is displayed, which helps check whether the active and standby MPUs meet switchover requirements.

    You can perform an active/standby switchover only when the Switchover State field displays Ready.

  2. Run system-view

    The system view is displayed.

  3. Run slave switchover enable

    Active/standby MPU switchover is enabled.

    By default, active/standby switchover is enabled.

  4. Run commit

    The configuration is committed.

  5. Run slave switchover

    An active/standby switchover is performed.

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Updated: 2019-04-20

Document ID: EDOC1100074722

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