Ubuntu server 14.04.3 can be installed only with EFI partition but I can't boot

[Victor Sterpu]

I created MSDOS partition table instead of GPT and this solved the problem.
Manualy synchronizing the EFI partition would be a complication.
Do I have disavantages if I use MSDOS partition table?

On 26.10.2015 13:08, Petter Adsen wrote:
> On Mon, 26 Oct 2015 12:26:07 +0200
> Sergiu Mihuleac <mihuleac.sergiu at gmail.com> wrote:
>
>> On what hdd is grub installed? Make sure bios boots from it. Second for dos
>> you may need to recrete partition table, boot from an live usb with gpart
>> and at device you will find create partition tabe then selec dos.
> The partition table type is completely irrelevant. The problem is that
> the firmware does not understand mdadm RAID. You can either place the
> EFI boot partition on a non-RAID partition, put it on a USB stick and
> boot from that, or manually duplicate a non-RAID EFI boot partition to
> the other disk and add UEFI boot entries for it with 'efibootmgr'.
>
> Petter
>
>> On Oct 26, 2015 12:16 PM, "Petter Adsen" <petter at synth.no> wrote:
>>
>>> On Mon, 26 Oct 2015 12:02:54 +0200
>>> Victor Sterpu <victor at casnt.ro> wrote:
>>>   
>>>> Hello
>>>>
>>>> I installed Ubuntu server 14.04.3 a lot of times today.
>>>> My setup is 2 HDD in RAID 1, /boot, root and swap partitions.
>>>> If I install Ubuntu without a EFI partition I receive the error "This
>>>> GPT partition label contains no BIOS Boot Partition" when grub installs
>>>> and I can't boot.
>>>>
>>>> If I create a new partition of type EFI(RAID1) then grub install fine
>>>> but I can't boot from the system.
>>>> The Bios is in UEFI mode.
>>>> How can I fix this?
>>> Put the EFI boot partition outside the RAID?
>>>
>>> Petter
>>>
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>
>