[slurm-users] slurm-users Digest, Vol 28, Issue 8

Tue Feb 4 13:26:08 UTC 2020

Hey Marcus,
thank you very much for your quick answer.

I understand that, that I should upgrade DBD first, CTRL second and after
them the Node´s.
It make sense, if you read this Paper - but if you look at the HomePage,
there are no informations about that  - so it is confused...

About OpenMPI:
	Yes, I understand that SLURM want to disable old versions of
"OpenMPI - Standards", that makes sense.
	But I think it was a good idea for SLURM, that they give us these
informations before they
		want to disable that, so that we can check it in our
environment.

Best regards
.

Matthias Krawutschke, Dipl. Inf.

Universität Potsdam
ZIM - Zentrum für Informationstechnologie und Medienmanagement
Team High-Performance-Computing
Campus Am Neuen Palais: Am Neuen Palais 10 | 14469 Potsdam
Tel: +49 331 977-4444, Fax: +49 331 977-1750

Internet: https://www.uni-potsdam.de/de/zim/angebote-loesungen/hpc.html

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Gesendet: Dienstag, 4. Februar 2020 13:00
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Betreff: slurm-users Digest, Vol 28, Issue 8

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Today's Topics:

   1. Re: Upgrade or /-date to Release 20.02p1 ..... (Marcus Boden)

----------------------------------------------------------------------

Message: 1
Date: Tue, 4 Feb 2020 11:54:07 +0100
From: Marcus Boden <mboden at gwdg.de>
To: Slurm User Community List <slurm-users at lists.schedmd.com>
Subject: Re: [slurm-users] Upgrade or /-date to Release 20.02p1 .....
Message-ID: <20200204105407.bsu3xc5gwp2km6nl at mboden-gwdg.localdomain>
Content-Type: text/plain; charset="iso-8859-1"

HI,

to your first question: I don't know the exact reason, but SchedMD made it
pretty clear, that there is a spcific sequence for updates:
slurmdbd -> slurmctld -> slurmd -> commands See
https://slurm.schedmd.com/SLUG19/Field_Notes_3.pdf (or any of the other
field notes) for details.
So, I'd advise that you don't try it any other way.

for your second question, see https://slurm.schedmd.com/slurm.conf.html:
> MpiParams
>    MPI parameters. Used to identify ports used by older versions of
>    OpenMPI and native Cray systems. The input format is
>    "ports=12000-12999" to identify a range of communication ports to
>    be used. NOTE: This is not needed for modern versions of OpenMPI,
>    taking it out can cause a small boost in scheduling performance.
>    NOTE: This is require for Cray's PMI. 

Best,
Marcus

On 20-02-04 11:44, Matthias Krawutschke wrote:
> Hello together,
> 
>  
> 
> on the RELEASE_NOTES I read the following:
> 
> ----------------------------------------------------------------------
> ------
> --------------------------------
> 
> Slurm can be upgraded from version 18.08 or 19.05 to version 20.02 
> without loss
> 
> of jobs or other state information. Upgrading directly from an earlier 
> version
> 
> of Slurm will result in loss of state information.
> 
> ----------------------------------------------------------------------
> ------
> --------------------------------
> 
>  
> 
> I want to upgrade or update my ComputeNode first, to see if it work or 
> not, but this is not able to do.
> 
> I?ve got the message on ComputeNode, that this Node can?t connect to 
> SLURMCTLD?..
> 
>  
> 
> So, why can?t I test the NEW SLURM-Version on Node before I update 
> /upgrade the Controller and Database?
> 
> It is really important, that I upgrade /update the Database & 
> Controller first??
> 
>  
> 
> The other point (see my eMail from today) ? I read on this file too:
> 
> ----------------------------------------------------------------------
> ------
> -------------------------------------
> 
> CONFIGURATION FILE CHANGES (see man appropriate man page for details)
> 
> =====================================================================
> 
> -- The mpi/openmpi plugin has been removed as it does nothing.
> 
>     MpiDefault=openmpi will be translated to the 
> functionally-equivalent
> 
>     MpiDefault=none.
> 
> So, how does OpenMPI and SLURM works together? 
> 
> What was the reason, that you disable this function?
> 
>  
> 
>  
> 
> I hope, you can help me here with my questions??.
> 
>  
> 
> Best regards?.
> 
>  
> 
>  
> 
>  
> 
> Matthias Krawutschke, Dipl. Inf.
> 
>  
> 
> Universit?t Potsdam
> ZIM - Zentrum f?r Informationstechnologie und Medienmanagement Team 
> High-Performance-Computing
> 
> Campus Am Neuen Palais: Am Neuen Palais 10 | 14469 Potsdam
> Tel: +49 331 977-4444, Fax: +49 331 977-1750
> 
>  
> 
> Internet:  
> <https://www.uni-potsdam.de/de/zim/angebote-loesungen/hpc.html>
> https://www.uni-potsdam.de/de/zim/angebote-loesungen/hpc.html
> 
>  
> 
>  
> 

--
Marcus Vincent Boden, M.Sc.
Arbeitsgruppe eScience
Tel.:   +49 (0)551 201-2191
E-Mail: mboden at gwdg.de
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