Re: [gentoo-user] installed Gentoo on SSD - no bootable device

[J. Roeleveld]

On 5 September 2014 19:55:49 CEST, Joseph <syscon780@×××××.com> wrote:
>On 09/05/14 14:11, Neil Bothwick wrote:
>>On Fri, 5 Sep 2014 07:06:27 -0600, Joseph wrote:
>>
>>> I made a typo my Bios is from around 2008 so it can not be EFI.
>>> So I need a "BIOS boot partition" which in my case is "/dev/sda1"
>but I
>>> don't need the /dev/sda2 - this is my 128M boot partition. My
>layout:
>>>
>>> Device           Start          End   Size Type
>>> /dev/sda1         2048         6143     2M BIOS boot partition
>>> /dev/sda2         6144       268287   128M Linux filesystem
>>> /dev/sda3       268288      4462591     2G Linux swap
>>> /dev/sda4      4462592    937703054   445G Linux filesystem
>>>
>>> Can I combine sda1 and sda2?  I mean delete both and create bigger
>sda1
>>> make it a BIOS boot partition and format it as ext2; install grub2
>on
>>> it.
>>
>>No you can't, read the previous posts. The BIOS boot partition is not
>the
>>same as /boot, it is a special partition needed for MBR compatibility
>and
>>nothing to do with the OS files. The partition layout you have is
>>suitable, don't mess with it except possibly to create a separate
>/home.
>>sda1 and 2 are fine as they are, don't break them.
>
>It seems to me my BIOS can not read GPT partition so what are my
>alternatives?
>I think I will have to format the SSD in MBR
>
>How to use fidsk to partition HD in MBR; by default fdisk is going to
>GPT.

fdisk can only do MBR partitioning.
gdisk does GPT partitioning and can add MBR compatibility. 

With a disk of less them 2TB I wouldn't bother with GPT if you don't have an EFI mainboard. Do yourself a favour and partition the SSD as if it were a spinning disk.

--
Joost
-- 
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