[ILUG] Booting a broken raid array

[Kevin Philp]

David Golden wrote:
> On Thursday 15 January 2009, Ciaran Johnston wrote:
>
>   
>> Having /boot configured this way means that, no matter which disk
>> fails the other will still boot in degraded mode.
>>
>>     
>
> Do watch out for bootloader setup - remember you want a 1st stage
> bootblock on each physical disk. Your distro and/or bootloader* may not 
> automagically get it right, even today.  If in doubt, check!
>   
Just to get this 100% correct. I should install grub on the MBR of each 
disk rather than onto a partition:

Such as:

 # grub-install /dev/hda
 # grub-install /dev/hdb
 # grub-install /dev/hdc

Then I could boot of any disk should one fail.


> * These days I favour extlinux, it's no-nonsense compared
> to grub, especially if you're only booting linux anyway,
> but less primitive than lilo.
> http://syslinux.zytor.com/wiki/index.php/EXTLINUX
>