more btrfs

neko/install.txt

@@ -56,41 +56,34 @@ for D in $DISK $DISK2 $DISK3; do
 done
 
 # take a look at the partitions
-cat /proc/partitions
+lsblk
 
 # create the RAID-0, second partitions on all disks
 mdadm --create /dev/md/system --level=0 --raid-devices=3 $DISK-part2 $DISK2-part2 $DISK3-part2
+sleep 5
+
+# take a look at the partitions
+lsblk
 
 # create the LUKS container and open it
 cryptsetup luksFormat --sector-size 4096 --batch-mode --verify-passphrase /dev/md/system
 cryptsetup luksOpen /dev/md/system crypt-system
+sleep 5
+
+# take a look at the partitions
+lsblk
 
 # create btrfs with volumes
-mkfs.btrfs -f --features block-group-tree --label system /dev/mapper/crypt2
-
+mkfs.btrfs -f --features block-group-tree --label system /dev/mapper/crypt-system
+mount -t btrfs /dev/mapper/crypt-system /mnt
+btrfs subvolume create /mnt/data
+btrfs subvolume create /mnt/nix
+btrfs subvolume create /mnt/tmp
+umount /mnt
 sleep 5
 
-# show the pool
-zpool status
-
-sleep 5
-
-# create all the volumes
-zfs create -o mountpoint=legacy zpool/data
-zfs create -o mountpoint=legacy zpool/nix
-zfs create -o mountpoint=legacy zpool/tmp
-
-# we want 64 KB recordsize
-zfs set recordsize=64K zpool/data
-zfs set recordsize=64K zpool/nix
-zfs set recordsize=64K zpool/tmp
-
-sleep 5
-
-# show the pool
-zpool status
-
-sleep 5
+# take a look at the partitions
+lsblk
 
 # prepare install, tmpfs root
 mount -t tmpfs none /mnt
@@ -102,13 +95,12 @@ mkdir -p /mnt/{data,nix,home,boot,root,etc/nixos,tmp}
 mount $DISK-part1 /mnt/boot
 
 # mount volumes
-mount -t zfs zpool/data /mnt/data
-mount -t zfs zpool/nix /mnt/nix
-mount -t zfs zpool/tmp /mnt/tmp
+mount -o subvol=data,noatime /mnt/data
+mount -o subvol=nix,noatime /mnt/nix
+mount -o subvol=tmp,noatime /mnt/tmp
 
 # bind mount persistent stuff to data
-mkdir -p /mnt/data/{home,root,nixos/$HOST}
-mount --bind /mnt/data/home /mnt/home
+mkdir -p /mnt/data/{root,nixos/$HOST}
 mount --bind /mnt/data/root /mnt/root
 mount --bind /mnt/data/nixos/$HOST /mnt/etc/nixos
 
@@ -135,7 +127,7 @@ nixos-install --option experimental-features 'nix-command flakes' --no-root-pass
 # unmount all stuff and sync
 
 umount -Rl /data /mnt
-zpool export -a
+cryptsetup luksClose crypt-system
 
 # shutdown once