On 07/27/2018 11:44 AM, Patrick Dupre wrote:
On 07/27/2018 11:19 AM, Patrick Dupre wrote:
On 07/27/2018 04:14 AM, Patrick Dupre wrote:
If I run a system on VolSys1-root, and if I run grub2-mkconfig
with
GRUB_CMDLINE_LINUX="rd.lvm.lv=VolSys0/root nouveau.modeset=0"
in /etc/default/grub
I get in grub.cfg
linux16 /vmlinuz-4.16.11-100.fc26.x86_64 root=/dev/mapper/VolSys1-root ro rd.lvm.lv=VolSys0/root nouveau.modeset=0
Is it not an issue ?
What part of that are you concerned about?
VolSys1-root versus VolSys0-root
Grub does not interpret what you put in the kernel command line. It
merely copies it. You are running mkconfig from that root partition, so
that's what it puts as the root parameter in the generated config file.
I am not sure that I understand, but the point that I noted, if the 2
volumes are different, then, in my case, it does not boot, even if the 2 volumes
are similar.
Grub just takes that "GRUB_CMDLINE_LINUX" string and copies it to the
end of the command line that it has already created. It does not
inspect it at all. If you are trying to make a grub config file that
boots a different root partition, you will probably have to manually
edit it after it is created.
The simpler method would be to just add an entry in the config file that
loads the config file from the other boot partition (assuming that one
is correct and not a copy of this one).
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