Does RHEL7 has any ways to rebuild the IO priority feature?
Issue
- Below mentioned parameters are used to send the Prioritized IO commands to the device and are available in the upstream kernel. How to use the same in RHEL7 kernel?
echo 1 | tee /sys/block/sdX/device/sas_ncq_prio_enable (if behind a SAS HBA)
echo 1 | tee /sys/block/sdX/device/ncq_prio_enable (if directly connected to a SATA AHCI port)
Environment
- Red Hat Enterprise Linux 7
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