Hi Nikolay, It's worth noting that using `--clusters` means you have to have your controllers integrated using slurmdbd, and they must share munge keys. You can set up separate destinations as in Carrie's example without having to "integrate" your controllers at the slurm level. The downside of this approach is that you can't have slurm automatically "balance" across clusters, although Slurm's algorithm for doing this with `--clusters` is fairly primitive. If you don't use `--clusters` you can attempt to do the balancing with a dynamic job destination.
If you're not using slurmdbd, you may still need to share the same munge key across clusters to allow the slurm client lib on the Galaxy server to talk to both clusters. There could be ways around this if it's a problem, though. --nate On Mon, Feb 1, 2016 at 11:10 AM, Ganote, Carrie L <cgan...@iu.edu> wrote: > Hi Nikolay, > The slurm branch that John mentioned sounds great! That might be your best > bet. > I didn't get drmaa to run with multiple clusters with flags, but I did > 'assign' different job handlers to different destinations in the drmaa.py > runner in Galaxy - but that is a bit of a hacky way to do it. > > -Carrie > > From: John Chilton <jmchil...@gmail.com> > Date: Monday, February 1, 2016 at 11:02 AM > To: Nikolay Aleksandrov Vazov <n.a.va...@usit.uio.no> > Cc: "dannon.ba...@gmail.com" <dannon.ba...@gmail.com>, " > galaxy-dev@lists.galaxyproject.org" <galaxy-dev@lists.galaxyproject.org>, > Carrie Ganote <cgan...@iu.edu>, Nate Coraor <n...@bx.psu.edu> > Subject: Re: Galaxy sending jobs to multiple clusters > > Nate has a branch of slurm drmaa that allows specifying a --clusters > argument in the native specification this can be used to target > multiple hosts. > > More information can be found here: > > https://github.com/natefoo/slurm-drmaa > > Here is how Nate uses it to configure usegalaxy.org: > > > https://github.com/galaxyproject/usegalaxy-playbook/blob/master/templates/galaxy/usegalaxy.org/config/job_conf.xml.j2 > > I guess instead of installing slurm-drmaa for a package manager or the > default source - you will just need to install Nate's version. > > -John > > > > On Wed, Jan 20, 2016 at 1:18 PM, Nikolay Aleksandrov Vazov > <n.a.va...@usit.uio.no> wrote: > > Hi, John, Dan, Carrie and all others, > > > I am considering a task of setting up a Galaxy instance which shall send > jobs to more than on cluster at a time. In my case I am using drmaa-python > and I was wondering if it was possible to configure multiple drmaa runners > each "pointing" at a different (slurm) control host, e.g. > > > local > > drmaa1 > > drmaa2 > > > Thanks a lot for your advice > > > Nikolay > > > > > =============== > Nikolay Vazov, PhD > Department for Research Computing, University of Oslo > > >
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