How to set a permanent I/O scheduler on one or more specific devices using tuned

Solution Verified - Updated -

Issue

  • How do I set IO scheduler on a specific device permanently?
  • The article How to use the Noop IO Scheduler describes the way to set permanent IO scheduler on all devices, but I need it for a specific device only this time.

Environment

  • Red Hat Enterprise Linux (RHEL) 9
  • Red Hat Enterprise Linux (RHEL) 8
  • Red Hat Enterprise Linux (RHEL) 7

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