Dan Williams <dan.j.williams@xxxxxxxxx> writes:
> On Tue, Apr 28, 2009 at 3:19 PM, Daniel Reurich <daniel@xxxxxxxxxxxxxxxx> wrote:
>> On Tue, 2009-04-28 at 11:24 -0700, Dan Williams wrote:
>>
>>>
>>> ...or use a metadata format that your platform bios understands and
>>> provides an int 13h vector. See the new external metadata formats
>>> supported by the mdadm devel-3.0 branch.
>>
>> I don't think a metadata format is the right way either.
>
> Huh? The bootloader does not need to know anything about raid. It
> just uses int13 calls to read sectors off a "disk". The fact that the
> disk is a software raid5 array is completely hidden from grub. This
> is functionality that has been available via dmraid for some time and
> is now being made available with the MD infrastructure and mdadm.
>
> Regards,
> Dan
And is horribly ugly when you have to switch hardware. And try doing
it with disks from different controlers? What bios supports that?
What bios even supports raid5?
MfG
Goswin
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