Single boot EFI Mac install

peeter (must) karu.pruun at gmail.com
Tue Mar 20 06:09:14 PDT 2012


On Mon, Mar 19, 2012 at 9:08 PM, Carsten Mattner
<carstenmattner at googlemail.com> wrote:
> On Mon, Mar 19, 2012 at 7:41 PM, peeter (must) <karu.pruun at gmail.com> wrote:
>> On Wed, Mar 7, 2012 at 1:32 PM, Carsten Mattner
>> <carstenmattner at 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 at 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.

Peeter

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