On Thu, Sep 2, 2021 at 9:20 AM Jiri Konecny <jkonecny@xxxxxxxxxx> wrote:
Hi everyone,
Dne 01. 09. 21 v 20:22 Joe Wulf napsal(a):
Yes, Anaconda could look if we can install also UEFI next to the BIOS but the point isOn Wednesday, September 1, 2021, 01:58:21 PM EDT, Neal Gompa <ngompa13@xxxxxxxxx> wrote:
> On Wed, Sep 1, 2021 at 1:47 PM Brian C. Lane <bcl@xxxxxxxxxx> wrote:
> >> > On Wed, Sep 01, 2021 at 04:08:30PM +0200, Dan Horák wrote:> > > my idea would be adding a "--hybrid" option to "reqpart" that would> > > create both "BIOS" + "EFI" partitions on x86 systems. For remaining> > > systems I believe they use only a single boot partition kind, so> > > nothing will change there. This way you could create a "works> > > everywhere" image the easiest way.> >> > I'd like to see adding flags an option of last resort :) If it's> > possible for anaconda to figure out what's needed automatically that's> > would be best.> >>> How would Anaconda be able to figure it out? The idea is that this> works *regardless* of what the host says it does. Unless you're just> going to make Anaconda always do hybrid for x86, there's no reasonable> way for that to be "auto-detected".>
When I kickstart, I check "/sys/firmware" for 'efi' which exists, which I later use to influence which command to use to rebuild grub.My point is that anaconda should be able to check for /sys/firmware/efi, for forcing hybrid usage, or it is only a BIOS host.
that most of the users do not want this and we are not able to figure out if we
should install only UEFI or both BIOS boot + UEFI.
Yeah, I'm afraid some sort of flag will be needed as we certainly don't want this to be the default behavior.
The use case we are discussing is about (cloud) image generation, right ? Eq. you want to generate an image that will boot on both BIO or UEFI system, with Anaconda. I think that makes perfect sense for (cloud) images, to make them boot anywhere.
Yet for an installation to physical hardware, I don't think it makes sense - it's either configured to boot as a BIOS machine or an UEFI machine, so making the thing both BIOS + UEFI capable IMHO does not make sense. Having both options in place would just complicate things, consume extra space & make it more fragile.
Ho do you invoke Anaconda in this case ? With --image or something like that ? Maybe that could be wired to make the resulting image hybrid, but not trigger on installations to physical or virtual hardware ?
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