Fixes for Fedora; support Rocky Linux Live ISO
Signed-off-by: Maurice Zhou <jasper@apvc.uk>
This commit is contained in:
Maurice Zhou
committed by
George Melikov
George Melikov
parent
9261cfb4f5
commit
ae7c5d19f4
@@ -43,7 +43,7 @@ Preparation
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#. Install helper script and partition tool::
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dnf install -y arch-install-scripts gdisk
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dnf install -y arch-install-scripts gdisk dosfstools
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#. Target Fedora version::
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@@ -94,6 +94,24 @@ Preparation
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INST_VDEV=
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This will create a single vdev with the topology of your choice.
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It is also possible to manually create a pool with multiple vdevs, such as::
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zpool create --options \
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poolName \
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mirror sda sdb \
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raidz2 sdc ... \
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raidz3 sde ... \
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spare sdf ...
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Notice the cost of parity when using RAID-Z. See
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`here <https://www.delphix.com/blog/delphix-engineering/zfs-raidz-stripe-width-or-how-i-learned-stop-worrying-and-love-raidz>`__
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and `here <https://docs.google.com/spreadsheets/d/1tf4qx1aMJp8Lo_R6gpT689wTjHv6CGVElrPqTA0w_ZY/>`__.
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Refer to `zpoolconcepts <https://openzfs.github.io/openzfs-docs/man/7/zpoolconcepts.7.html>`__
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and `zpool-create <https://openzfs.github.io/openzfs-docs/man/8/zpool-create.8.html>`__
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man pages for details.
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#. Set partition size:
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Set ESP size::
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@@ -81,6 +81,10 @@ System Configuration
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``systemd-firstboot`` have bugs, root password is set below.
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#. Generate host id::
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zgenhostid -f -o /mnt/etc/hostid
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#. Install locale package, example for English locale::
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dnf --installroot=/mnt install -y glibc-minimal-langpack glibc-langpack-en
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@@ -95,6 +99,7 @@ System Configuration
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disable SSH server::
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systemctl disable sshd --root=/mnt
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systemctl enable firewalld --root=/mnt
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#. Chroot::
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@@ -102,16 +107,16 @@ System Configuration
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INST_LINVAR=$INST_LINVAR
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INST_UUID=$INST_UUID
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INST_ID=$INST_ID
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unalias -a
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INST_VDEV=$INST_VDEV" > /mnt/root/chroot
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echo DISK=\($(for i in ${DISK[@]}; do printf "$i "; done)\) >> /mnt/root/chroot
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arch-chroot /mnt bash --login
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unalias -a
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#. Source variables::
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source /root/chroot
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#. Relabel filesystem on next boot::
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#. For SELinux, relabel filesystem on next boot::
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fixfiles -F onboot
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@@ -54,9 +54,6 @@ Install GRUB
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dracut --force --kver $kernel_version
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done
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#. When in doubt, install both legacy boot
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and EFI.
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#. Disable BLS::
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echo "GRUB_ENABLE_BLSCFG=false" >> /etc/default/grub
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@@ -70,6 +67,9 @@ Install GRUB
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Boot environment-specific configuration (kernel, etc)
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is stored in ``/boot/grub2/grub.cfg``, enabling rollback.
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#. When in doubt, install both legacy boot
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and EFI.
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#. If using legacy booting, install GRUB to every disk::
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for i in ${DISK[@]}; do
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@@ -93,6 +93,7 @@ Install GRUB
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#. For both legacy and EFI booting: mirror ESP content::
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ESP_MIRROR=$(mktemp -d)
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unalias -a
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cp -r /boot/efi/EFI $ESP_MIRROR
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for i in /boot/efis/*; do
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cp -r $ESP_MIRROR/EFI $i
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@@ -21,13 +21,14 @@ This section is also applicable if you are in
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#. On another computer, generate rescue image with::
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pacman -S --needed mtools libisoburn grub
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grub-install
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grub-mkrescue -o grub-rescue.img
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dd if=grub-rescue.img of=/dev/your-usb-stick
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Boot computer from the rescue media.
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Both legacy and EFI mode are supported.
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Skip this step if you are in GRUB rescue.
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Or `download generated GRUB rescue image <https://gitlab.com/m_zhou/bieaz/uploads/4a1b7cefb42723de6eb04f9dc485be3b/grub-rescue.img.7z>`__.
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#. List available disks with ``ls`` command::
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@@ -36,20 +37,6 @@ This section is also applicable if you are in
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hd0 hd1 hd2 hd3
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If you are dropped to GRUB rescue instead of
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booting from GRUB rescue image, boot disk can be found
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out with::
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echo $root
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# cryto0
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# hd0,gpt2
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GRUB configuration is loaded from::
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echo $prefix
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# (crypto0)/sys/BOOT/default@/grub
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# (hd0,gpt2)/sys/BOOT/default@/grub
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#. List partitions by pressing tab key:
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.. code-block:: text
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@@ -94,12 +81,10 @@ This section is also applicable if you are in
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grub> ls (crypto0)/sys/BOOT
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@/ default/ be0/
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#. Instruct GRUB to load configuration from ``be0`` boot environment
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then enter normal mode::
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#. Instruct GRUB to load configuration from ``be0`` boot environment::
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grub> prefix=(crypto0)/sys/BOOT/be0/@/grub
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grub> insmod normal
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grub> normal
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grub> configfile $prefix/grub.cfg
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#. GRUB menu should now appear.
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@@ -188,7 +173,7 @@ Access system in chroot
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#. chroot into the system::
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fedora-chroot /mnt /bin/bash --login
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arch-chroot /mnt /bin/bash --login
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zfs mount -a
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mount -a
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@@ -202,21 +187,21 @@ it is relatively easy to perform a system backup and migration.
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#. Create a snapshot of root file system::
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zfs snapshot -r rpool/fedora@backup
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zfs snapshot -r bpool/fedora@backup
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zfs snapshot -r rpool/arch@backup
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zfs snapshot -r bpool/arch@backup
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#. Save snapshot to a file or pipe to SSH::
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zfs send --options rpool/fedora@backup > /backup/fedora-rpool
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zfs send --options bpool/fedora@backup > /backup/fedora-bpool
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zfs send --options rpool/arch@backup > /backup/arch-rpool
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zfs send --options bpool/arch@backup > /backup/arch-bpool
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#. Re-create partitions and root/boot
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pool on target system.
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#. Restore backup::
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zfs recv rpool_new/fedora < /backup/fedora-rpool
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zfs recv bpool_new/fedora < /backup/fedora-bpool
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zfs recv rpool_new/arch < /backup/arch-rpool
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zfs recv bpool_new/arch < /backup/arch-bpool
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#. Chroot and reinstall bootloader.
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@@ -34,9 +34,18 @@ see below.
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dnf copr enable -y kwizart/kernel-longterm-5.4
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dnf install -y kernel-longterm kernel-longterm-devel
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# reboot to new LTS kernel
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Reboot to new LTS kernel, then load kernel module::
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modprobe zfs
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It might be necessary to rebuild module::
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ls -1 /lib/modules \
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dkms autoinstall -k $kernel_version
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done
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#. By default ZFS kernel modules are loaded upon detecting a pool.
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To always load the modules at boot::
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