Not at present, no.
But you might want to look at a fork of the OMPI code base that was exploring fault resilience issues:
On Jun 20, 2013, at 5:57 PM, Andreas Schäfer <firstname.lastname@example.org>
> On 14:59 Thu 20 Jun , Ralph Castain wrote:
>> It should detect and abort - what version are you using?
> Would it be possible to call MPI_Comm_disconnect() in the case the
> communicator in question is an intercom -- without having OMPI abort?
> I'm asking because if we had a possibility to dynamically
> connect/disconnect nodes in a robust way, then we could build
> fault-resilient apps on top of that.
> Andreas Schäfer
> HPC and Grid Computing
> Chair of Computer Science 3
> Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany
> +49 9131 85-27910
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