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NixOS, Alpine Linux: mount datasets in Root on ZFS guide; immutable

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root; GRUB update

Acknowledgement: @bjornstromberg
Closes #398

NixOS: remove NetworkManager by default, add note for enable

Signed-off-by: Maurice Zhou <jasper@apvc.uk>
This commit is contained in:
Maurice Zhou
2023-03-31 20:24:35 +02:00
committed by George Melikov
parent 90172151d5
commit 5b8c163e24
10 changed files with 35 additions and 50 deletions
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24
docs/Getting Started/Alpine Linux/Root on ZFS/2-system-installation.rst
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@@ -80,9 +80,6 @@ System Installation
limited to only those that GRUB supports, allowing the root pool to use
any/all features.
Features enabled with ``-o compatibility=grub2`` can be seen
`here <https://github.com/openzfs/zfs/blob/master/cmd/zpool/compatibility.d/grub2>`__.
#. Create root pool::
zpool create \
@@ -158,7 +155,7 @@ System Installation
done
mkdir -p /mnt/boot/efi
mount -t vfat $(echo $DISK | cut -f1 -d\ )-part1 /mnt/boot/efi
mount -t vfat $(echo $DISK | cut -f1 -d' ')-part1 /mnt/boot/efi
#. By default ``setup-disk`` command does not support zfs and will refuse to run,
add zfs support::
@@ -186,14 +183,6 @@ System Installation
chroot /mnt /usr/bin/env DISK="$DISK" sh
#. Rebuild initrd::
sed -i 's|zfs|nvme zfs|' /etc/mkinitfs/mkinitfs.conf
for directory in /lib/modules/*; do
kernel_version=$(basename $directory)
mkinitfs $kernel_version
done
#. Apply GRUB workaround::
echo 'export ZPOOL_VDEV_NAME_PATH=YES' >> /etc/profile.d/zpool_vdev_name_path.sh
@@ -206,10 +195,11 @@ System Installation
sed -i 's|stat -f -c %T /|echo zfs|' /usr/sbin/grub-mkconfig
# grub-probe fails to identify fs mounted at /boot
sed -i "s|GRUB_DEVICE_BOOT=.*|GRUB_DEVICE_BOOT=$(echo $DISK | cut -f1 -d\ )-part2|" /usr/sbin/grub-mkconfig
BOOT_DEVICE=$(zpool status -P bpool | grep -- -part2 | head -n1 | sed "s|.*/dev*|/dev|" | sed "s|part2.*|part2|")
sed -i "s|GRUB_DEVICE_BOOT=.*|GRUB_DEVICE_BOOT=${BOOT_DEVICE}|" /usr/sbin/grub-mkconfig
This workaround needs to be applied for every GRUB update, as the
update will overwrite the changes.
The ``sed`` workaround for ``grub-mkconfig`` needs to be applied
for every GRUB update, as the update will overwrite the changes.
#. Install GRUB::
@@ -227,6 +217,8 @@ System Installation
grub-mkconfig -o /boot/efi/alpine/grub-bootdir/x86_64-efi/grub/grub.cfg
grub-mkconfig -o /boot/efi/alpine/grub-bootdir/i386-pc/grub/grub.cfg
mkdir -p /boot/grub
grub-mkconfig -o /boot/grub/grub.cfg
#. For both legacy and EFI booting: mirror ESP content::
@@ -243,7 +235,7 @@ System Installation
#. Unmount filesystems::
cut -f2 -d\ /proc/mounts | grep ^/mnt | tac | while read i; do umount -l $i; done
umount -Rl /mnt
zpool export -a
#. Reboot::