Unable to change IO scheduler on nvme device

Solution Verified - Updated -


  • Not able to change IO scheduler on nvme drivers.

    [root@host etc]# cat /sys/block/nvme3n1/queue/scheduler
    [root@host etc]# echo deadline > /sys/block/nvme3n1/queue/scheduler
    [root@host etc]# cat /sys/block/nvme3n1/queue/scheduler


  • Red Hat Enterprise Linux 7
  • Intel PCIe Data Center (DC) SSD NVME controller

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