[Beowulf] Re: moving of Linux HDD to other node: udev problem at boot
kus at free.net
Thu Aug 20 15:23:13 PDT 2009
In message from "David Mathog" <mathog at caltech.edu> (Thu, 20 Aug 2009
>"Mikhail Kuzminsky" <kus at free.net> wrote:
>> I moved Western Digital SATA HDD w/SuSE 10.3 installed (on dual
>> Barcelona server) to dual Nehalem server (master HDD on Nehalem
>> server) with Supermicro X8DTi mobo.
>Which means any number of drivers will have to change. The boot
>only succeed if all of these new drivers are present in the distro
>the installation isn't hardwired to use information from the previous
>system. The first may be true,
It was, of course, the main hope
> the second is almost certainly false.
... and the second can be resolved IMHO w/o difficult problems.
>On Mandriva, and probably Red Hat, and maybe Suse, even cloning
>"identical" systems requires that that the file:
>be removed before reboot as it holds a copy of the MAC from the
>system, and no two machines (should) have the same MAC even if they
SuSE have this "problem", but at least 11.1 have special setting to
avoid such udev behaviour. And updating of network settings isn't a
> There are a lot of other files in the same
>directory which I believe hold similar machine specific information.
>Similarly, your /etc/modprobe.conf will almost certainly load modules
>which are not appropriate for the new system.
Is there some modules which depends from processors ?
The NIC drivers isn't a problem.
> If there is an /etc/sysconfig directory there may be files there that also hold machine specific information. The /etc/sensors.conf configuration will also certainly also be incorrect.
Of course, lm_sensors and NICs settings have to be changed. But HDDs
for example was the same (excluding size).
>Perhaps you can successfully boot the system in safe mode and then
>whatever configuration tool Suse provides to reset all of these
The problem don't depends from kind of load (safemode or usual).
>mathog at caltech.edu
>Manager, Sequence Analysis Facility, Biology Division, Caltech
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