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Not sure where to mount 'BIOS boot'-partition [SOLVED]
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ferrelas
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PostPosted: Thu Apr 16, 2015 1:21 am    Post subject: Not sure where to mount 'BIOS boot'-partition [SOLVED] Reply with quote

I'm going to install on a UEFI system with a disk using GPT, but I'm not sure where to mount the 'BIOS boot'-partition mentioned in the handbook. Should I just not mount it? That can't be right, then how does the kernel end up there?

Also, do I need a /boot partition at all if I use efibootmgr? Maybe it's a good idea to include it in case UEFI boot fails?

What about fstab? Sorry if I'm missing something obvious here, but the handbook is VERY unclear on this, or rather it ignores it completely.

The system runs windows now, and I'm getting rid of it, if that info is useful.


I'm also going to use lvm to merge space before and after an existing data partition (to avoid having to nuke it, and having extra space not really good for anything after it) to use for /home, can I do that without having to use an initrd?


Last edited by ferrelas on Thu Apr 16, 2015 3:06 pm; edited 1 time in total
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bammbamm808
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PostPosted: Thu Apr 16, 2015 8:52 am    Post subject: Reply with quote

Do some Googling and reading re: "efi system partition". This is what I did, and was able to learn what my options were, and choose the one that best suited me. You will need to boot you install media in UEFI mode, and install to GPT-formatted disk, instead of the BIOS's old style of formatting. The Gentoo hybrid ISO boots into UEFI mode, as does and Arch Linux install CD. Your decision to remove windows makes this all that much simpler for you.
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ferrelas
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PostPosted: Thu Apr 16, 2015 3:05 pm    Post subject: Reply with quote

Found a guide that explains everything _much_ better than the handbook, here it is, in case someone else has trouble with this:

https://xtothei.wordpress.com/2012/05/08/gentoo-uefi/

I also decided to skip the lvm stuff in favour of keeping a few windows recovery partitions (just in case).
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bammbamm808
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PostPosted: Fri Apr 17, 2015 2:46 am    Post subject: Reply with quote

I highly recommend rEFInd as a boot manager. It will launch your efistub kernels, Windows bootloader, (or I suppose Gub2, but why would you want to add that step?) Google it, go to Rod Smith's rEFI web page and follow the directions. You can then emerge efibootmgr, set up your partitions and kernels, edit config files as needed. Then make your UEFI firmware aware of rEFInd using efibootmgr and it should then appear in your firmware's boot options.
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ferrelas
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PostPosted: Fri Apr 17, 2015 3:46 pm    Post subject: Reply with quote

I think I'll just go with grub2 and the guide I found, seems simple enough, might check this out if this fails, or maybe even reformat the entire drive MBR and go with legacy boot.
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