[ML-General] hardware RAID

[Hunter Fuller]

The trouble is that if your EFI sucks then it will just stick there,
waiting for a failed disk to come up. The only solution I'm aware of is to
get a board with better firmware, or use hardware raid. I'm not familiar
with fake raid.
On Jun 16, 2015 10:56 AM, "Brian Oborn" <linuxpunk at gmail.com> wrote:

>
> On Tue, Jun 16, 2015 at 10:49 AM, WebDawg <webdawg at gmail.com> wrote:
>
>>
>>
>>> I would highly recommend not using any FakeRAID with Linux. I've done it
>>> before (in order to dual-boot a workstation) and it was a real pain. If
>>> you're going hardware RAID, fine. But if you're going to do it all in
>>> software, you might as well just use the mdadm in the normal manner (it's
>>> really not that hard) and it will be more resilient if you need to move it
>>> to a new machine. The few bits in the ROM that the FakeRAID gives you
>>> really do nothing helpful.
>>>
>>>
>>>
>> My primary concern is how the bios or Grub would handle a corrupt/failed
>> boot loader?
>>
>> I have had systems with mdadm/dual bootloaders and such and I have seen
>> bios's try and boot a failed drive and just sit there.
>>
>> I have seen bios boot a corrupt boot partition and really screw things up
>> too.  At least I think that was the problem at the point.
>>
>> Sure once the system is booted mdadm can handle a bad disk or what not.
>>
>> But what exists to handle a bad /boot or bad bootloader, etc.  The stuff
>> that is not protected by mdadm.
>>
>
> It's not that hard. You just need to have the grubinstall itself on both
> drives. The bootloader part of the drives is not mirrored, but whenever
> grub updates it just writes itself to both of them.
>
>
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