On Tue, Dec 6, 2011 at 2:39 PM, <m.roth@xxxxxxxxx> wrote:
>
>> Booting software RAID1 is kind of an oddball case. You actually boot
>> on the disk that bios considers your boot drive only, and it works
>> because the drives are mirrored and happen to look the same whether
>> you look at the partition or the raid device. You need to install
>> grub separately onto each disk of the pair, though. If you get this
>> part wrong, you can boot from an install/rescue disk and fix it.
>>
> Ack! So I actually need to run grub-install, and do it for both; didn't
> know that (always had /boot as a plain vanilla primary partition)?!
>
Just keep in mind that you can fix it from an install disk booted in
rescue mode if you get it wrong, so don't panic if it won't boot.
But, if you have a similar box it would be a good idea to practice -
and to be sure someone is around the production box when it is
rebooted the first time.
--
Les Mikesell
lesmikesell@xxxxxxxxx
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