How to set the disk IO scheduler in RHEL9?

Solution Verified - Updated -

Issue

  • How to set the disk IO scheduler in RHEL9?
  • Booting the RHEL9 system with the kernel boot parameter elevator prints the following warning message.

    kernel: Kernel parameter elevator= does not have any effect anymore. Please use sysfs to set IO scheduler for individual devices.
    

Environment

  • Red Hat Enterprise Linux 9
  • Kernel parameter elevator

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content