on 6/7/2012 9:40 AM Bowie Bailey spake the following:
> On 6/5/2012 7:21 PM, Eugene Poole wrote:
>> OK, I'm about 90% sure that I've corrected the boot loader situation
>> with RAID-1 and the second hard drive. I haven't tested the correction,
>> but here's what I did:
>>
>> Examined the grub.conf file and noticed that hd0 uses (hd0,1), so
>> what followed was
>> grub
>>
>> grub> device (hd1) /dev/sdc
>> grub> root (hd1,1)
>> grub> setup (hd1)
>> <after receiving the successful message>
>> grub> quit
>>
>> I didn't rebuild the boot loader on /dev/sda because it is working (if
>> it ain't broke don't fix it).
>> My situation is that I'm using 4 - 1 TB hard drives and I used the
>> following pattern:
>>
>> /dev/sda | /dev/sdc = First Raid -1 volume
>> /dev/sdb | /dev/sdd = Second Raid-1 volume
>
> There is no complete solution to this problem. The question is this:
> When one of the drives dies, how will the system see the remaining
> drive? Will it still see it as sdb, or will it now see that drive as
> sda? These situations need different grub configs. I generally
> configure both drives as if they were hd0/sda. That way, if sda
> crashes, I can remove the disk and boot the second drive normally.
>
In older versions sdb would become sda, but I don't have enough time on the 6
series to know for sure... Maybe I will fire up a virtual machine with a
couple emulated sata drives and see....
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