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#1 2012-03-11 12:03:32

Paingiver
Member
Registered: 2008-03-01
Posts: 83

[SOLVED]New Win 7 + Arch Dual on UEFI and GPT SSD

Sorry for asking this question but i am very confused by reading the wiki. But i don't know what exactly i have to do.

There are alternatives for using GRUB2 and UEFI's booting capabilities. Which one should i choose? If i choose GRUB2, i don't need to create a seperate partition for GRUB2? I can install Windows 7 and Arch directly on their own partition without any steps?

And if i choose UEFI way, the wiki says you have to create a partition => 400 MiB. Should i create this for Windows 7 too? Two seperate 400 MiB partitions or one 800 MiB partition?

I will install Windows 7 first.

My motherboard: Asus P8Z68-V Pro / Gen 3

My SSD: OCZ Vertex 3 120 GB

Last edited by Paingiver (2012-03-13 19:19:49)

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#2 2012-03-11 14:13:41

alexkarro
Member
Registered: 2012-01-02
Posts: 31

Re: [SOLVED]New Win 7 + Arch Dual on UEFI and GPT SSD

You basicly need to create a seperate 400 mb FAT32 partition for the UEFI image (you only need 1) and a seperate /boot partition (usually 100 mb is enough) for GRUB2.

Then you just have your usual / , /var, /home & swap and one partition for windows. Configure your GRUB2 to load the windows partition (which also holds the seperate windows boot loader).

It took me awhile to figure it out aswell but I eventually got it working.

Last edited by alexkarro (2012-03-11 14:24:01)

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#3 2012-03-12 00:41:15

cfr
Member
From: Cymru
Registered: 2011-11-27
Posts: 7,131

Re: [SOLVED]New Win 7 + Arch Dual on UEFI and GPT SSD

grub2 doesn't *need* a separate /boot partition - unless this is something needed to get windows working. (I haven't got a separate /boot but I also haven't got windows.)


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#4 2012-03-13 12:52:57

the.ridikulus.rat
Member
From: Indiana, USA
Registered: 2011-10-04
Posts: 765

Re: [SOLVED]New Win 7 + Arch Dual on UEFI and GPT SSD

@Paingiver: That 400 MB EF00 FAT32 partition is a requirement of UEFI (UEFI System Partition), not of GRUB2 or Windows itself. Any UEFI system requires it. The UEFI bootloaders of both Archlinux (GRUB2) and Windows (bootmgfw.efi) are installed to this FAT32 partition, but they won't overwrite each other. Do not confuse UEFISYS partition with /boot partition where bios bootloaders and the kernel and initramfs files are stored.

You can have a single rootfs partition (i.e. no separate /boot partition) as that is not related to UEFISYS. UEFISYS partition is required for any UEFI system.

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#5 2012-03-13 19:21:24

Paingiver
Member
Registered: 2008-03-01
Posts: 83

Re: [SOLVED]New Win 7 + Arch Dual on UEFI and GPT SSD

@the.ridikulus.rat
Thank you panda! That was what i wondering!

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