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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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The command is used to bind CPUs for the iSCSI tx thread and the corresponding service network port's interrupt.

Format { -h | -a { setaffinity [param] | stopirqbalance | startirqbalance } }





-h Shows help information.


-a setaffinity [param] Sets the CPU to bind.

The value is a valid CPU list.

-a startirqbalance Starts irqbalance.


-a stopirqbalance Stops irqbalance.



Minisystem mode

Usage Guidelines

The command is used to bind CPUs for the iSCSI tx thread and the corresponding service network port's interrupt. The used CPU cores are speciifed by parameters. In addition, this command can also be used to stop or start irqbanlance.


  • Stop irqbalance.

    Storage: minisystem> -a stopirqbalance 
  • Start irqbalance.

    Storage: minisystem> -a startirqbalance
  • Query the help information about commands.

    Storage: minisystem> -h -a setaffinity [param]     : set tx thread and irq affinity -a stopirqbalance          : stop irqbalance. -a startirqbalance         : start irqbalance. -h                         : show help
  • Set the CPU core binding.

    Storage: minisystem> -a setaffinity 1,3-19
    Bind to cpu(1,3-19) OK!

System Response


Updated: 2020-01-17

Document ID: EDOC1000181575

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