Is there a firewall somewhere ?
Jerome
Guanyinzhu wrote:
> Hi!
> I'm using OpenMPI 1.3 on ten nodes connected with Gigabit Ethernet on
> Redhat Linux x86_64.
>
> I run a test like this: just killed the orted process and the job hung
> for a long time (hang for 2~3 hours then I killed the job).
>
> I have the follow questions:
>
> when network failed or host failed or orted deamon was killed by
> accident, How long would the running mpi job notice and exit?
>
> Does OpenMPI support a heartbeat mechanism or how could I fast
> detect the failture to avoid the mpi job hang?
>
>
> thanks a lot!
>
>
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