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fdisk /dev/nvme0n1 # 分三个分区
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mkfs.fat -F 32 /dev/nvme0n1p1
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mkswapon /dev/nvme0n1p2
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swapon /dev/nvme0n1p2

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mkfs.btrfs -L archbtrfs -d raid0 -m raid1 /dev/nvme0n1p3 /dev/nvm1n1
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# 使用systemd-boot引导时，用archbtfs的UUID

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mount /dev/nvme1n1 # 无论哪部分挂载，整个archbtrfs都会挂载上去，或者直接用标签挂载
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btrfs subvolume create /mnt/@
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btrfs subvolume create /mnt/@home
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btrfs subvolume create /mnt/@var
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btrfs subvolume create /mnt/@snapshots
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btrfs subvolume create /mnt/@log
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btrfs subvolume create /mnt/@cache
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btrfs subvolume create /mnt/@tmp
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btrfs subvolume create /mnt/@docker
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umount /mnt

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mount -t btrfs -o subvol=@,compress=zstd,noatime /dev/nvme1n1 /mnt
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mkdir -p /mnt/{home,var,.snapshots,var/log,var/cache,var/tmp,var/lib/docker} # 使用命令后查看一下目录是否创建成功
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mount -t btrfs -o subvol=@home,compress=zstd,noatime /dev/nvme1n1 /mnt/home
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mount -t btrfs -o subvol=@var,compress=zstd,noatime /dev/nvme1n1 /mnt/var
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mount -t btrfs -o subvol=@snapshots,compress=zstd,noatime /dev/nvme1n1 /mnt/.snapshots
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mount -t btrfs -o subvol=@log,compress=zstd,noatime,compress=zstd /dev/nvm1n1 /mnt/var/log
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mount -t btrfs -o subvol=@cache,compress=zstd,noatime,compress=zstd /dev/nvm1n1 /mnt/var/cache
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mount -t btrfs -o subvol=@tmp,compress=zstd,noatime,compress=zstd /dev/nvm1n1 /mnt/var/tmp
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mount -t btrfs -o subvol=@docker,nodatacow,noatime /dev/nvme1n1 /mnt/var/lib/docker
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mount /dev/nmve0n1p1 /mnt/boot
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chattr +C /mnt/var/log
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chattr +C /mnt/var/cache
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chattr +C /mnt/var/tmp
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# 禁用这三个目录的cow