On 03/23/2010 04:57 PM, Bryan J Smith wrote:
> On Tue, 2010-03-23 at 13:31 -0700, solarflow99 wrote:
>> hehe, this whole setup sounds like err .... a recipe for disaster
>
> Ignoring the swap part, the biggest issue with MD RAID-1 /boot is the
> case where a disk fails, but it's "still alive" from the standpoint of
> the the BIOS, so it still assigns it as hd(0). So the MBR fails to
> load, so GRUB never launches. One would have to go into the BIOS and
> tell it to assign BIOS disk 80h (GRUB hd(0)) as the 2nd disk.
When I set up RAID-1 /boot at home, I just added a second grub entry for
hd(1). I can boot off hd(1) if hd(0) fails. No need for dmraid or
fakeraid for peace of mind on a home system. Of course, Enterprise
class hw RAID makes sense for data center servers.
/Brian/
--
Brian Long | |
Corporate Security Programs Org . | | | . | | | .
' '
C I S C O
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