Previous: Format the partitions
References:
Mount the root volume to /opt:
mount -o compress=zstd:3 /dev/mapper/root /opt
Create sub volumes:
btrfs subvolume create /opt/@
btrfs subvolume create /opt/@home
btrfs subvolume create /opt/@log
btrfs subvolume create /opt/@pkg
List sub volumes:
btrfs subvolume list /opt -t
Mount sub volumes to /mnt:
mount -o compress=zstd:3,subvol=@ /dev/mapper/root /mnt
mount --mkdir -o compress=zstd:3,subvol=@home /dev/mapper/root /mnt/home
mount --mkdir -o compress=zstd:3,subvol=@log /dev/mapper/root /mnt/var/log
mount --mkdir -o compress=zstd:3,subvol=@pkg /dev/mapper/root /mnt/var/cache/pacman/pkg
For UEFI systems, mount the EFI system partition (replace /dev/sda1 accordingly):
mount --mkdir /dev/sda1 /mnt/boot
Check with
lsblk -f
Next: Connect to the network