Assuing the kernel has anything required to start up built in (i.e.,
no modules are required to boot, mount the root, switch root, or
mount any volumes described in /etc/fstab, access any resources
used for anything started via openrc or systemd), lvm.conf includes
"use_lvmetad = 1" in both the initrd and vg00/root.
I've tried tracing the logic produced by dracut to see why it failed,
but at over 1000 lines I do not have time to verify its logic and see
where it failed; ditto genkernel: there is too much logic to ignore
checking modules that don't exist because they are in the kernel.
Looking at:
<https://wiki.gentoo.org/wiki/Systemd>
I've verified that the options are set (including choosing systemd
as the init), /run is there, /mtab is what is should be, GRUB is
updated.
The example below works perfectly with openrc, fails with systemd
(along with dracut results).
Q: What are the minimum steps/configuration required to set up and
switch_root to systemd?
thanks
#!/bin/busybox sh
root='/mnt/root';
init='/sbin/init';
/bin/busybox --install -s;
mount /sys;
mount /proc;
lvm vgscan -v;
lvm vgchange -v -a y;
mount /dev/vg00/root $root;
for i in $root/$init $root/usr $root/usr/bin
do
# drop to shell if the root filesystem is botched.
[ -e $i ] || exec /bin/busybox sh;
done
# seems bootable: init is there and /usr is mounted.
exec switch_root $root $init;
--
Steven Lembark 3646 Flora Pl
Workhorse Computing St Louis, MO 63110
lemb...@wrkhors.com +1 888 359 3508
