[CentOS] Order of sata/sas raid cards

[Markus Falb]

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.

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?
-- 
Kind Regards, Markus Falb

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