Hi everybody,

I could solve the problem. It has been related to ntp and slightly bigger time differences between the Intel nd ARM systems. munge was complaining ... After setting one of the systems hosts as ntp server to be cluster consistent, everything works fine.

Sorry for bothering,
Luis

On 2015-18-02 9:16 , Luis Kornblueh wrote:

Hello,

I try to use slurm on a cluster buid by school kids. The controller
daemon (slurmctld) runs on a x86_64 box with Debian wheezy and the
associated Debian package. The compute nodes are ARM based running
as well Debian wheezy (slurmd). It seems that the slurmctld and slurmd
cannot communicate which other. If I move the controller to an arm
platform everything works fine. For cross testing I added a x86_64
box as compute node and that one could communicate with the x86_64
base controller.

This allows to assume, I think, that there is some trouble with the
communication protocol as it is not architecture/hardware independent.

Could you give me any help on how to deal with this?

Thanks a lot,
Luis

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 Luis Kornblueh                           Tel. : +49-40-41173289
 Max-Planck-Institute for Meteorology     Fax. : +49-40-41173298
 Bundesstr. 53
 D-20146 Hamburg             Email: [email protected]
 Federal Republic of Germany

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