[rootfs] # Volume mode (other option is static) mode=ubi # Source image image=root.squashfs # Volume ID in UBI image vol_id=0 # Allow for dynamic resize vol_type=dynamic # Volume name vol_name=rootfs # Autoresize volume at first mount # vol_flags=autoresize [rootfs_data] # Volume mode (other option is static) mode=ubi # Volume ID in UBI image vol_id=1 # Allow for dynamic resize vol_type=dynamic # Volume name vol_name=rootfs_data # Autoresize volume at first mount vol_flags=autoresize vol_size=1MiB