add kuro bcachefs config

This commit is contained in:
Christoph Cullmann 2024-01-10 21:45:59 +01:00
parent 4ebe93febd
commit 5414867fd8
2 changed files with 47 additions and 45 deletions

View file

@ -11,32 +11,32 @@
boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
boot.initrd.kernelModules = [ "amdgpu" ];
boot.kernelModules = [ "kvm-amd" ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "none";
fsType = "tmpfs";
neededForBoot = true;
options = [ "defaults" "size=8G" "mode=755" ];
};
fileSystems."/boot" =
{ device = "/dev/disk/by-uuid/263D-A89E";
{ device = "/dev/disk/by-id/ata-Samsung_SSD_870_QVO_4TB_S5STNF0W806802J-part1";
fsType = "vfat";
neededForBoot = true;
};
# system
boot.initrd.luks.devices."crypt-system".device = "/dev/disk/by-uuid/f4af1379-93d2-4903-9fb5-5b767d733c66";
fileSystems."/nix" =
{ device = "/dev/mapper/crypt-system";
fsType = "btrfs";
options = [ "subvol=nix" "noatime" "nodiratime" ];
{ device = "/dev/disk/by-id/ata-Samsung_SSD_870_QVO_4TB_S5STNF0W806802J-part2";
fsType = "bcachefs";
neededForBoot = true;
options = [ "noatime" "nodiratime" ];
};
fileSystems."/data" =
{ device = "/dev/mapper/crypt-system";
fsType = "btrfs";
options = [ "subvol=data" "noatime" "nodiratime" ];
{ device = "/dev/disk/by-id/ata-Samsung_SSD_870_QVO_4TB_S5STNF0W806802J-part3";
fsType = "bcachefs";
neededForBoot = true;
options = [ "noatime" "nodiratime" ];
};
fileSystems."/home" =

View file

@ -1,3 +1,23 @@
#
# kill old efi boot stuff
#
efibootmgr
efibootmgr -b 0 -B
efibootmgr -b 1 -B
efibootmgr -b 2 -B
efibootmgr -b 3 -B
efibootmgr -b 4 -B
efibootmgr
#
# install script below
#
# fix unlocking https://nixos.wiki/wiki/Bcachefs
nix-env -iA nixos.keyutils
keyctl link @u @s
# Defining some helper variables (these will be used in later code
# blocks as well, so make sure to use the same terminal session or
# redefine them later)
@ -13,7 +33,8 @@ gdisk -l $DISK
# create partitions
parted $DISK -- mklabel gpt
sgdisk -n 1:0:+1024M -c 1:"EFI System Partition" -t 1:EF00 $DISK
sgdisk -n 2:0:0 -c 2:"Linux" -t 2:8e00 $DISK
sgdisk -n 2:0:+256G -c 2:"nix" -t 2:8e00 $DISK
sgdisk -n 3:0:0 -c 3:"data" -t 3:8e00 $DISK
parted $DISK -- set 1 boot on
sleep 5
@ -24,33 +45,9 @@ cat /proc/partitions
# boot partition
mkfs.fat -F 32 -n EFIBOOT $DISK-part1
# create the crypto containers
cryptsetup luksFormat --batch-mode --verify-passphrase $DISK-part2
sleep 5
# open them, set right options persistently
cryptsetup luksOpen --allow-discards --perf-no_read_workqueue --perf-no_write_workqueue --persistent $DISK-part2 crypt-system
sleep 5
lsblk --fs
# create btrfs with fast & strong checksumming and fast mounting
mkfs.btrfs -f --csum xxhash --features block-group-tree /dev/mapper/crypt-system
sleep 5
btrfs filesystem show
# create all the volumes
mount /dev/mapper/crypt-system /mnt
btrfs subvolume create /mnt/data
btrfs subvolume create /mnt/nix
sleep 5
btrfs subvolume list /mnt
# umount again, we will only use explicit subvolumes
umount /mnt
# create encrypted bcachefs
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=nix --discard -f $DISK-part2
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=data --discard -f $DISK-part3
# prepare install
mount -t tmpfs none /mnt
@ -61,9 +58,9 @@ mkdir -p /mnt/{data,nix,home,boot,root,etc/nixos}
# mount the ESP
mount $DISK-part1 /mnt/boot
# mount volumes
mount -o subvol=data,noatime,nodiratime /dev/mapper/crypt-system /mnt/data
mount -o subvol=nix,noatime,nodiratime /dev/mapper/crypt-system /mnt/nix
# mount bcachefs stuff
mount -o noatime,nodiratime $DISK-part2 /mnt/nix
mount -o noatime,nodiratime $DISK-part3 /mnt/data
# bind mount persistent stuff to data
mkdir -p /mnt/{data/home,data/root,data/nixos/$HOST}
@ -82,9 +79,11 @@ nixos-generate-config --root /mnt
cp /mnt/etc/nixos/hardware-configuration.nix /tmp
cp /mnt/etc/nixos/configuration.nix /tmp
# copy data
# copy config data
sudo rsync -va --delete --one-file-system /data root@kuro.fritz.box:/mnt
# patch some paths there
sudo scp -r /data/nixos root@192.168.13.100:/mnt/data
# install
@ -93,4 +92,7 @@ nixos-install --no-root-passwd --root /mnt
# unmount all stuff
umount -Rl /mnt
cryptsetup luksClose crypt-system
# sync all /data after the install
sudo -E rsync -va --delete --one-file-system /data root@192.168.13.100:/