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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F V5. 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.
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change system ib_copy_switch

change system ib_copy_switch


The change system ib_copy_switch command is used to enable or disable InfiniBand link-based memory copying.


change system ib_copy_switch switch=?






Enables or disables InfiniBand link-based memory copying.

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

  • "on": enables InfiniBand link-based memory copying.
  • "off": disables InfiniBand link-based memory copying.


Developer view

Usage Guidelines



Enable InfiniBand link-based memory copying.

developer:/>change system ib_copy_switch switch=on 
WARNING:You are about to enable InfiniBand link-based memory copying. 
This operation may deteriorate InfiniBand link performance. 
Suggestion: Enable InfiniBand link-based memory copying when storage arrays are connected to a host by InfiniBand links only. Are you sure you want to continue? 
Have you read warning message carefully?(y/n)y 
Are you sure you really want to perform the operation?(y/n)y 
Command executed successfully.

System Response


Updated: 2019-07-11

Document ID: EDOC1000181619

Views: 633132

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