DragonFly BSD
DragonFly users List (threaded) for 2012-03
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Re: Single boot EFI Mac install

From: Carsten Mattner <carstenmattner@xxxxxxxxxxxxxx>
Date: Tue, 20 Mar 2012 15:38:29 +0100

On Tue, Mar 20, 2012 at 2:09 PM, peeter (must) <karu.pruun@gmail.com> wrote:
> On Mon, Mar 19, 2012 at 9:08 PM, Carsten Mattner
> <carstenmattner@googlemail.com> wrote:
>> On Mon, Mar 19, 2012 at 7:41 PM, peeter (must) <karu.pruun@gmail.com> wrote:
>>> On Wed, Mar 7, 2012 at 1:32 PM, Carsten Mattner
>>> <carstenmattner@googlemail.com> wrote:
>>>> Has anyone successfully installed DragonFly as a single
>>>> boot system on an EFI Mac?
>>> I'd be interested in this too. I failed: got the boot prompt and then
>>> the boot process hung.
>>> I also tried a gpt setup described on 'man gpt' but got the same
>>> result. I would be interested in setting up a dual boot but can't risk
>>> losing the main system, currently macosx.
>>> On a positive note, rEFIt recognized the DFBSD slice and gave the boot
>>> prompt, so something goes wrong after that.
>> What I've learned for Mac 32-bit EFI and how to use it without OS X
>> but with rEFIt to allow booting all kinds of systems:
>> - boot the OS X installer
>> - start Disk Util
>> - create a 200MB (it will actually force it to 1GB) HFS+ partition
>> - now you will have a 200MB unused FAT EFI protected partition and a
>> 1GB HFS+ partition
>> - boot a livecd which has a partitioning tool that can resize the HFS+
>> partition
>> - resize parition #2 (HFS+ 1GB) to 200MB, that should be enough
>> - reboot into the OS X installer again
>> - put rEFIt on the HFS+ partition
>> - bless --folder ... etc. (see the shell script in rEFIt for the
>> command) to bless refit.efi
>> - if the resizing tool is non-destructive you could avoid booting
>> twice into the OS X installer and instead extract and configure rEFIt
>> on the 1GB partition
>> - reboot
>> - rEFIt should show up
>> - if BSD or Linux doesn't properly boot, make sure the hybdrid
>> partition table is synced (gptsync). rEFIt's partition tool menu item
>> should suggest to sync if needed
>> - if the installed rEFIt doesn't have the partition tool menu item boot
>> rEFIt ISO
>> - depending on what OS and bootloader you use you might want to add a
>> 3rd partition of 1MB size and type BIOS BOOT before BSD or Linux.
>> PS: I'm not subscribed to user@crater.dragonflybsd.org anymore. If
>> this is filtered, someone has to moderate it onto the list.
> Thanks a lot for this! Will try as soon as I get a moment.

When I said you should create a HF+ partition I forgot that
you should - assuming you want to have a single-boot system -
Repartition the disk as GPT with a single HFS+ partition of 1GB
size and then resize that to 200MB. Now you will have a GPT
partition with a 200MB EFI FAT and 1GB HFS+ partition.

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