Re: GRUB2 & Booting from ISO on LVM

[Andrey Borzenkov]

On Tue, Jan 28, 2014 at 2:55 PM, Jorge Fábregas
<address@hidden> wrote:
> Hi everyone,
>
> Fedora 20 here.  I'm using GRUB2 to boot an ISO stored on one of my
> ext4 partitions. This works perfectly fine.  However, I can't make it work
> from an ext4 over LVM.  GRUB2 boots the ISO but something is wrong
> with the "findiso" kernel parameter.  When the CD boots I get a bunch of:
>
> modprobe: module LVM2_member not found in modules.dep
> modprobe: module swap not found in modules.dep
>

This has nothing to do with grub. Your initrd must expect and support
access to LVM. It should include necesssary kernel modules, LVM user
space components as well as scripts to activate LVs.

You need to ask on Fedora list whether they support it and if yes, how
to activate this feature.

> Here's my configuration:
>
> http://fpaste.org/71588/
>
> The first menuentry is the one that works followed by the LVM one where
> I even tried "findiso=$isofile" but didn't work.
>
> Any help will be appreciated.
>
> Thanks,
> Jorge
>
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