Markus Falb wrote:
> On 23.8.2012 14:01, Jobst Schmalenbach wrote:
>> Hi Adrian
>>
>> yes this will do.
>> Because I do not know (yet) the UUID of the new partitions (drives),
>> if I specify the UUID for the known drives for the partitions
>> the kernel will assign the new drives to higher sdx?
>> Is this correct?
>
> After reboot sdx could be sdy, as you noticed.
> The solution: you dont access a drive via /dev/sdx
> You access per UUID and the kernel maps it to the appropiate sdXY which
> could be sdy after reboot.
You can also label it. I loathe UUIDs - there is *no* way you're going to
remember one when you need it. Labels are so much clearer.
>
> I am not sure about initial ramdisks etc. maybe there is hardcoded stuff
> to sdx in there. Maybe it has to be rebuilt? Maybe you has to rebuild
> initrd as well as updating fstab?
I've actually never seen a system *not* know what the first drive was,
hardware-wise. And grub will point to root hd(0,x), normally, not UUID or
anything else. You *can* (and I do, all the time) use LABEL= on the kernel
line.
mark
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