How to set the disk IO scheduler in RHEL9?
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
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