Unable to set nr_request for the md raid devices

Solution Verified - Updated -

Issue

  • Unable to set nr_requests for the md raid devices

  • While trying to change the nr_requests value for the md devices getting below error

       # echo 64 > /sys/block/md127/queue/nr_requests 
        -bash: echo: write error: Invalid argument
    
  • From RHEL 9.4 the nr_requests parameter has been removed for the md raid device

       $ls -l /sys/block/md127/queue/nr_requests 
       ls: cannot access '/sys/block/md127/queue/nr_requests': No such file or directory
    

Environment

  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 8

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