Les Mikesell wrote:
> 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.
Oh, I know that - I'm not a newby on this. On the other hand, I *am* new
to Linux software RAID with /boot RAIDed.
> 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.
I think you missed where I was doing this on the clone box, and we will
reboot it tomorrow, then I'll do it to the live one Thursday. I don't play
around without knowing what the numbers are on production.
mark
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