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Advanced O&M Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 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 controller buffering_switch

change controller buffering_switch

Function

The change controller buffering_switch command is used to switch the buffering function of all disk enclosures connected to controller.

Format

change controller buffering_switch controller_id=? switch=?

Parameters

Parameter

Description

Value

controller_id=?

ID of a controller.

To obtain the value, run "show controller general".

switch=?

Switch on or off.

The value should be "on" or "off", as explained below:

  • on: switch on the buffering function.
  • off: switch off the buffering function.

Views

Developer view, Engineer view

Usage Guidelines

None

Example

  • Switch on the buffering function of all the disk enclosures connected to controller 0A.
    engineer:/>change controller buffering_switch controller_id=0A switch=on 
    DANGER: You are about to switch the buffering function of all the disk enclosures connected to a controller.This operation may cause I/O error. 
    Suggestion: Before you perform this operation, ensure that the service port of the controller has multiple paths and controller related services have been stopped. Do not perform this operation when the controller is running. 
    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. 
      
     
  • Switch off the buffering function of all the disk enclosures connected to controller 0A.
    engineer:/>change controller buffering_switch controller_id=0A switch=off 
    DANGER: You are about to switch the buffering function of all the disk enclosures connected to a controller.This operation may cause I/O error. 
    Suggestion: Before you perform this operation, ensure that the service port of the controller has multiple paths and controller related services have been stopped. Do not perform this operation when the controller is running. 
    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: EDOC1000138389

Views: 488762

Downloads: 85

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