$ cd rapiddisk
$ make && sudo make install


$ sudo modprobe rapiddisk
$ sudo modprobe rapiddisk-cache


$ sudo rapiddisk -l
rapiddisk 7.2.0
Copyright 2011 - 2021 Petros Koutoupis
 **
Unable to locate any RapidDisk devices.


$ sudo rapiddisk -a 1024
rapiddisk 7.2.0
Copyright 2011 - 2021 Petros Koutoupis
 **
Attached device rd0 of size 1024 Mbytes


$ sudo rapiddisk -d rd1
rapiddisk 7.2.0
Copyright 2011 - 2021 Petros Koutoupis
Detached device rd1


$ sudo dd if=/dev/zero of=/dev/sdf bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.76685 s, 225 MB/s


 sudo dd if=/dev/zero of=/dev/rd0 bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.755754 s, 1.4 GB/s


$ sudo modprobe nvmet
$ sudo modprobe nvmet-tcp


$ sudo /bin/mount -t configfs none /sys/kernel/config/
$ mount|grep configfs


$ sudo mkdir /sys/kernel/config/nvmet/subsystems/nvmet-rd0
$ cd /sys/kernel/config/nvmet/subsystems/nvmet-rd0


$ echo 1 |sudo tee -a attr_allow_any_host > /dev/null


$ sudo mkdir namespaces/1
$ cd namespaces/1/
$ echo -n /dev/rd0 |sudo tee -a device_path > /dev/null
$ echo 1|sudo tee -a enable > /dev/null


$ sudo mkdir /sys/kernel/config/nvmet/ports/1
$ cd /sys/kernel/config/nvmet/ports/1
$ echo 10.0.0.185 |sudo tee -a addr_traddr > /dev/null


$ echo tcp|sudo tee -a addr_trtype > /dev/null
$ echo 4420|sudo tee -a addr_trsvcid > /dev/null
$ echo ipv4|sudo tee -a addr_adrfam > /dev/null


$ sudo ln -s /sys/kernel/config/nvmet/subsystems/nvmet-rd0/ /sys/kernel/config/nvmet/ports/1/subsystems/nvmet-rd0
$ dmesg |grep "nvmet_tcp"
[14798.568843] nvmet_tcp: enabling port 1 (10.0.0.185:4420)


$ sudo modprobe nvme
$ sudo modprobe nvme-tcp


$ sudo nvme connect -t tcp -n nvmet-rd0 -a 10.0.0.185 -s 4420


$ cat /proc/partitions |grep nvme
 259        0  244198584 nvme0n1
 259        1  244197543 nvme0n1p1
 259        3    1048576 nvme1n1
 
 
 $ sudo dd if=/dev/zero of=/dev/nvme1n1 bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.868222 s, 1.2 GB/s


$ sudo nvme disconnect -d /dev/nvme1n1