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

Reuti reuti at staff.uni-marburg.de
Thu Aug 20 13:02:49 EDT 2009


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? You might need a  
different initrd otherwise.

-- Reuti


>
> Mikhail
>>
>> -- Reuti
>>
>>
>>>
>>> and then the proposal to try again. After finish of this script  
>>> I  don't see any HDDs in /dev.
>>>
>>>
>>> BIOS setting for this SATA device is "enhanced". "compatible"  
>>> mode  gives the same result.
>>>
>>> What may be the source of the problem ? May be HDD driver used  
>>> by  initrd ?
>>> Mikhail Kuzminsky
>>> Computer Assistance to Chemical Research Center
>>> Zelinsky Institute of Organic Chemistry RAS
>>> Moscow
>>> PS.  If I see (after finish of udev.sh script) the content of / 
>>> sys  - it's right in NUMA sense, i.e.
>>> /sys/devices/system/node contains normal node0 and node1.
>>>
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