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Advanced O&M Command Reference

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. Based on the CLI, this document describes how to use various commands classified by functionsand how to set the CLI and manage the storage system through these commands. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
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change tgt_switch vxvm_dmp_feature

change tgt_switch vxvm_dmp_feature

Function

The change tgt_switch vxvm_dmp_feature command is used to turn on or off the switch for allowing hosts to use Veritas Volume Manager (VxVM) DMP in HyperMetro scenarios.

Format

change tgt_switch vxvm_dmp_feature switch=?

Parameters

Parameter

Description

Value

switch

Switch status for allowing hosts to use VxVM DMP in HyperMetro scenarios.

The value can be "on" or "off", where:

  • "on": turns on the switch for allowing hosts to use VxVM DMP in HyperMetro scenarios.
  • "off": turns off the switch for allowing hosts to use VxVM DMP in HyperMetro scenarios.

Views

Developer view

Usage Guidelines

None

Example

  • Turn on the switch for allowing hosts to use VxVM DMP in HyperMetro scenarios.
    developer:/>change tgt_switch vxvm_dmp_feature switch=on 
    CAUTION:You are about to enable the storage device to support the VxVM DMP host multipathing function. 
    Suggestion: In HyperMetro scenarios, if the storage device supports the VxVM DMP host multipathing function, ensure that this function is enabled on all arrays. 
    Do you wish to continue?(y/n)y 
    Command executed successfully.
  • Turn off the switch for allowing hosts to use VxVM DMP in HyperMetro scenarios.
    developer:/>change tgt_switch vxvm_dmp_feature switch=off 
    DANGER: You are about to disable the storage device to support the VxVM DMP host multipathing function. In HyperMetro scenarios, if the host uses the VxVM DMP multipathing function, disabling the storage device to support this function will cause HyperMetro LUN path aggregation failures and service exceptions. 
    Suggestion: In HyperMetro scenarios, if the storage device supports the VxVM DMP host multipathing function, you do not need to disable this function. 
    Have you read danger alert message carefully?(y/n)y 
    Are you sure you really want to perform the operation?(y/n)y 
    Command executed successfully.

System Response

None

Translation
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Updated: 2019-07-12

Document ID: EDOC1000138381

Views: 718728

Downloads: 36

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