[ML-General] hardware RAID

[david]

All of them will fail on boot if there is no other disk/partition with a 
boot flag and an OS to load.



On 06/16/15 10:49, WebDawg 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 always seemed like the FaikeRAID bios at least handled bad disks on 
> boot.
>
>
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