[slurm-users] Configuration issue on Ubuntu

[John Hearns]

Following on from what Chris Samuel says
/root/sl/sl2  kinda suggest Scientific Linux to me (SL - Redhat alike
distribution used by Fermilab and CERN)
Or it could just be sl = slurm

I would run  ldd `which slurctld` and let us know what libraries is it
linked to




On Wed, 5 Sep 2018 at 08:51, Gennaro Oliva <oliva.g at na.icar.cnr.it> wrote:

> Hi Chris,
>
> On Wed, Aug 29, 2018 at 07:04:27AM +1000, Chris Samuel wrote:
> > On Tuesday, 28 August 2018 11:43:54 PM AEST Umut Arus wrote:
> >
> > > It seems the main problem is; slurmctld: fatal: No front end nodes
> defined
> >
> > Frontend nodes are for IBM BlueGene and Cray systems where you cannot
> run
> > slurmd on the compute nodes themselves so a proxy system must be used
> instead
> > (at $JOB-1 we used this on our BG/Q system).  I strongly suspect you are
> not
> > running on either of those!
>
> The option --enable-front-end to configure is also needed to emulate
> really large cluster:
>
> https://slurm.schedmd.com/faq.html#multi_slurmd
>
> > If you built Slurm yourself you'll need to check you didn't use those
> > arguments by mistake or configure didn't enable them in error, and if
> this is
> > an Ubuntu package then it's probably an bug in how they packaged it!
>
> This option is enabled only in the slurmctld daemon that is contained in
> the slurm-wlm-emulator package that is not intended to be used for batch
> jobs.
>
> vagrant at ubuntu-bionic:~$ grep 'No front end nodes defined'
> /usr/sbin/slurmctld-wlm-emulator
> Binary file /usr/sbin/slurmctld-wlm-emulator matches
> vagrant at ubuntu-bionic:~$ grep 'No front end nodes defined'
> /usr/sbin/slurmctld-wlm
> vagrant at ubuntu-bionic:~$
>
> It can be possible that Umut installed slurm-wlm-emulator package
> together with the regular package and the emulated daemon was picked by
> the alternatives system.
>
> Best regards,
> --
> Gennaro Oliva
>
>
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