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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. Based on the CLI, this document describes how to use various commands classified by functions and 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 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=?





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: 2020-01-17

Document ID: EDOC1000181575

Views: 731538

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