Pi5 supports booting from SD, USB, NVME, or Ethernet. You can set the boot order preference. Unless you have done this, the default will be to try SD, then USB.Boot (/boot) should always be the SD partition 1, surely?
Regardless of where the system actually starts booting from, the partition mounted on /boot/firmware will be the one specified in /etc/fstab. (As mentioned by thagrol, it would be dangerous to mount a different FAT partition than the one you are booting from, because you could end up with a kernel image without a matching /lib/modules/ directory in the root.)
I assume your SATA HAT connects to the Pi by PCI-e, but since SATA is not NVME, the Pi5 will not support booting from it? So you need to have /boot/firmware on the SD card, but you want the root to be on a SATA SSD.
This is what you are getting. The root=LABEL=rootssd in /boot/firmware/cmdline.txt is taking effect, and the PARTUUID=2923c67b-02 in /etc/fstab is being ignored. (Technically I think the device or UUID you mention in /etc/fstab has to exist, but it does not matter if it is not the root you are using, because root is already mounted read-only, and the system just needs to do mount -o remount,rw /.)
Nevertheless, I suggest you edit the root line of /etc/fstab to match your actual situation:
Code:
PARTUUID=2923c67b-01 /boot/firmware vfat defaults 0 2LABEL=rootssd / ext4 noatime 0 1Statistics: Posted by jojopi — Wed Oct 09, 2024 1:31 am