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Advanced O&M Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F 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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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: EDOC1000181602

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