Is it possible to use an NVMe M.2 as external storage on a Pi4b 8GB? I have the following PCIe device: samsung NVMe PCIe 3.0 SSD 970 Evo plus, 500 gb + external hard drive enclosure with a C to A cable and this power supply
First I boot from Micro SD and it works fine. But when I plug in NVMe M.2, the Ubuntu 20.10 freezes. The mouse and keyboard do not work well and NVMe M.2 is also not recognized at all.
When I run lsusb it identifies PCIe device but lsblk can't see it
pidev4@pi:~$ lsusb
Bus 002 Device 002: ID 152d:0583 JMicron Technology Corp. /JMicron USA Technology Corp. JMS583Gen 2 to PCIe Gen3x2 Bridge
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 046a:0023 Cherry GmbH Keyboard
Bus 001 Device 003: ID 0e8f:00a7 GreenAsia Inc.
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
pidev4@pi:~$
pidev4@pi:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 48,8M 1 loop /snap/core18/1949
loop1 7:1 0 214,1M 1 loop /snap/gnome-3-34-1804/61
loop2 7:2 0 48,8M 1 loop /snap/core18/1888
loop3 7:3 0 62,1M 1 loop /snap/gtk-common-themes/1506
loop4 7:4 0 197,7M 1 loop /snap/gnome-3-34-1804/68
loop5 7:5 0 64,8M 1 loop /snap/gtk-common-themes/1514
loop6 7:6 0 47,3M 1 loop /snap/snap-store/476
loop7 7:7 0 48,3M 1 loop /snap/snap-store/499
loop8 7:8 0 27M 1 loop /snap/snapd/10709
loop9 7:9 0 26,9M 1 loop /snap/snapd/9730
mmcblk0 179:0 0 59,5G 0 disk (micro sd)
├─mmcblk0p1 179:1 0 256M 0 part /boot/firmware
└─mmcblk0p2 179:2 0 59,2G 0 part /
I want to boot from it but when I take out Micro SD and restart Pi4 I am getting an error message:
Failed to open device: 'sdcard'.
How can I solve this problem?
Links to any suitable material greatly appreciated.
