This image: Arch Linux Image for VisionFive 2
Author "cwt" briefly wrote below:
If you wish to mount NVMe as the root partition, please format it as btrfs and then create a subvolume with the desired name. Mount the path
/mntwhich already in the/etc/fstab(so just runmount /mntas root), then use rsync to copy the contents of/mnt/arch-minimalto the new subvolume on the NVMe. Finally, edit the/boot/boot/extlinux/extlinux.confand the/etc/fstabon the new subvolume.
But I'm totally noob to btrfs & Arch, so I'm going to write down detailed steps.