1. Clear any RAID settings and mount each drive as a separate volume.
[[File:X1011-raid-test1.png|none]]
2. Open a second terminal to Monitor for any NVMe errors (I/O timeout, reset controller, I/O error, etc.):
pi@raspberrypi ~ $ sudo dmesg -w | grep -i nvme
[[File:X1011-raid-test3.png|none]]
3. Create a 30GB testing file on one of the SSDs:
pi@raspberrypi ~ $ sudo dd if=/dev/zero of=./TestingFile bs=100M count=300 oflag=direct
[[File:X1011-raid-test2.png|none]]
4. Copy the 30GB file to multiple SSDs simultaneously:
pi@raspberrypi ~ $ echo /media/pi/cn600/ /media/pi/spcc/ /media/pi/netac/ | xargs -n 1 cp ./TestingFile