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From Eddie Epstein <eaepst...@gmail.com>
Subject Re: UIMA-DUCC installation with multiple machines
Date Mon, 30 Nov 2015 11:32:52 GMT

Did you confirm that user ducc@ducc-head can do passwordless ssh to
ducc-node-1?  If so, running ./check_ducc from the admin folder should give
some useful feedback about ducc-node-1.


On Mon, Nov 30, 2015 at 5:14 AM, Sylvain Surcin <sylvain.surcin@gmail.com>

> Hello,
> Despite experimenting for a few weeks and reading the Ducc 2.0 doc book
> again and again, I am still unable to make it run on a test cluster of 2
> machines.
> I have 2 VMs (ducc-head and ducc-node-1) with a NFS share for /home/ducc
> and my $DUCC_HOME is /home/ducc/ducc_runtime.
> I generated and copied ssh keys so that my main user on ducc-head can do a
> passwordless ssh to ducc@ducc-head (that's what I understood from the doc,
> if not, can you be more specific, with Linux commands?).
> I compiled ducc_runtime on ducc-head and copied it on both machines in
> /local/ducc/bin with all the appropriate chown and chmod as stated in the
> doc, for both machines. I also edited site.ducc.properties accordingly.
> When I launch start_ducc (as ducc on ducc-head) I see both machines on the
> Web monitor but only ducc-head is up, while ducc-node-1 always stays
> "defined". Of course, when I submit the test job, it is executed on
> ducc-head, never on ducc-node-1.
> What am I missing?
> I have been stuck here for weeks. Please can you help me?
> Regards.

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