[Beowulf] moving of Linux HDD to other node: udev problem at boot

[Reuti]

Am 20.08.2009 um 19:33 schrieb Mikhail Kuzminsky:

> In message from Reuti <reuti at staff.uni-marburg.de> (Thu, 20 Aug  
> 2009 19:02:49 +0200):
>> Am 20.08.2009 um 16:29 schrieb Mikhail Kuzminsky:
>>
>>> In message from Reuti <reuti at staff.uni-marburg.de> (Wed, 19 Aug   
>>> 2009 21:07:19 +0200):
>>>
>>>> Maybe the disk id is different form the one recored in /etc/ 
>>>> fstab.  What about using plain /dev/sda1 or alike, or mounting  
>>>> by volume  label?
>>>
>>> At the moment of problem /etc/fstab, as I understand, isn't  
>>> used.  And /dev/sda* files are not created by udev :-(
>>
>> Is it the same motherboard/chipset in both machines?
>
> Of course, no - taking into account that one ("source" w/10.3) is w/ 
> Opteron 2350, and 2nd is based on Nehalem :-)
>
>> You might need a different initrd otherwise.
>
> AFAIK, initrd (as the kernel itself) is "universal" for EM64T/x86-64,

The problem is not the type of CPU, but the chipset (i.e. the  
necessary kernel module) with which the HDD is accessed.

-- Reuti