No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


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.

Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
change dif_scan config

change dif_scan config


The change dif_scan config command is used to set the maximum number of concurrent LUN DIF scan I/Os.


change dif_scan config concurrency=? [ controller=? ]





concurrency=? Maximum number of concurrent LUN DIF scan I/Os.

The value must be an integer from 1 to 128.

controller=? ID of a controller.

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


Developer view

Usage Guidelines

If parameter "controller=?" is set to the default value, this command is applicable only to the current controller. If parameter "controller=?" is specified, this command takes effect only on the specified controller.


  • Set the maximum number of concurrent LUN DIF scan I/Os on the controller to "16".

    developer:/>change dif_scan config concurrency=16
    Command executed successfully.
  • Set the maximum number of concurrent LUN DIF scan I/Os on controller 0A to "16".

    developer:/>change dif_scan config controller=0A concurrency=16
    Command executed successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181575

Views: 728201

Downloads: 32

Average rating:
This Document Applies to these Products

Related Version

Related Documents

Previous Next