File: //lib/udev/rules.d/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"