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--- dell_xps_15_9530 [2020/03/21 13:52]
ben
+++ dell_xps_15_9530 [2020/03/21 14:00]
ben
@@ Line 99: / Line 99: @@
   * Reboot into freedos, select the ''no drivers'' option (the default option leads to exceptions and the flash failing)
     * It might also be necessary to disable Intel VTx, not confirmed; don't forget to re-enable after
+===== ZFS root =====
+  * Prepare the partition table manually
+    - BIOS boot for grub/mbr, 1M
+    - ext2 for /boot, 1G
+    - vfat for /efi, 1G
+    - zfs partition
+    - ext4 temporary filesystem for / during install
+  * Install sabayon to the ext4 partition at the end, but don't auto reboot at the end
+  * Create the ''zpool'' with ''zpool create rpool /dev/disk/by-id/wwn-*-part4''
+  * Create the ''root'', ''root/home'' and ''root/var'' filesystems within, with encrytion
+  * Set ''root filesystem'' to not be mountable automatically with ''zfs set canmount=off rpool/root''
+  * Set the mountpoints for each filesystem: <code bash>
+zfs set mountpoint=/ rpool/root
+zfs set mountpoint=/var rpool/root/var
+zfs set mountpoint=/home rpool/root/home
+</code>
+  * Mount the filesystems to arbitrary locations with: <code bash>
+mkdir /mnt/sysimage
+mount -o zfsutil -t zfs rpool/root /mnt/sysimage/root
+mount -o zfsutil -t zfs rpool/root/home /mnt/sysimage/root/home
+mount -o zfsutil -t zfs rpool/rootvar /mnt/sysimage/root/var
+</code>
+  * Rsync the contents into the ZFS root: <code bash>
+mkdir /mnt/temproot
+mount /dev/sda5 /mnt/temproot
+rsync -a /mnt/temproot/ /mnt/sysimage/
+</code>
+  * Prepare dracut for zfs root booting: <code text /mnt/sysimage/etc/dract.conf.d/99zfs.conf>
+add_dracutmodules+="dracut-systemd systemd systemd-initrd zfs"
+</code>
+  * Chroot into the zfs root filesystem and rebuild the initramfs: <code bash>
+dracut -f /boot/initramfs-genkernel-5.4.0-sabayon 5.4.0-sabayon
+</code>
+  * Remove the temporary partition
+  * Add a swap partition at the very end of the disk
+  * Extend the zfs partition to fill the remaining space
+  * Reboot and pray

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