Google
Edit File: 71-nvmf-netapp.rules
# Set appropriate iopolicy for NetApp ONTAP and NetApp E-Series ACTION=="add", SUBSYSTEM=="nvme-subsystem", ATTR{subsystype}=="nvm", ATTR{model}=="NetApp ONTAP Controller", ATTR{iopolicy}="queue-depth" ACTION=="add", SUBSYSTEM=="nvme-subsystem", ATTR{subsystype}=="nvm", ATTR{model}=="NetApp E-Series", ATTR{iopolicy}="round-robin" # Set ctrl_loss_tmo to -1 for NetApp ONTAP NVMe/TCP ACTION!="remove", SUBSYSTEM=="nvme", KERNEL=="nvme*", ATTR{transport}=="tcp", ATTR{model}=="NetApp ONTAP Controller", ATTR{ctrl_loss_tmo}="-1"