[slurm-users] Slurm 19-05-4-1 and Centos8

[William Brown]

My bad, I am using CentOS7 which doesn't have  RuntimeDirectory, but this
thread is clearly about CentOS8, which does.

On Fri, 10 Jan 2020 at 12:56, Marcus Wagner <wagner at itc.rwth-aachen.de>
wrote:

> Hi William,
>
> a
> RuntimeDirectory=slurm
>
> should suffice.
>
> "If set, one or more directories by the specified names will be created
> below /run (for system services) or below $XDG_RUNTIME_DIR (for user
> services) when the unit is started, and removed when the unit is
> stopped. The directories will have the access mode specified in
> RuntimeDirectoryMode=, and will be owned by the user and group specified
> in User= and Group=."
>
> Best
> Marcus
>
> On 1/10/20 12:20 PM, William Brown wrote:
> > Here is an example of a modified system service file which uses
> ExecStartPre to create the directory under /var/run on the fly.  This is
> for slurmctld.  As /var/run is I think in RAM this creates the folder when
> the service starts.   There are other customisations for our environment in
> here, but I guess this may help anyone see how this is done.
> >
> > [Unit]
> > Description=Slurm controller daemon
> > After=network.target munge.service
> > RequiresMountsFor=/home/apps
> > BindsTo=home-apps.mount
> > ConditionPathExists=/etc/slurm/slurm.conf
> >
> > [Service]
> > User=slurm
> > Group=slurms
> > Type=forking
> > EnvironmentFile=-/etc/sysconfig/slurmctld
> > PermissionsStartOnly=true
> > ExecStartPre=/usr/bin/mkdir --parents /var/run/slurm
> > ExecStartPre=/usr/bin/chown -R slurm:slurms /var/run/slurm/
> > ExecStart=/usr/sbin/slurmctld $SLURMCTLD_OPTIONS
> > ExecReload=/bin/kill -HUP $MAINPID
> > PIDFile=/var/run/slurm/slurmctld.pid
> > LimitNOFILE=65536
> >
> > William
> >
> > -----Original Message-----
> > From: slurm-users <slurm-users-bounces at lists.schedmd.com> On Behalf Of
> Shane Kelly
> > Sent: 10 January 2020 07:53
> > To: slurm-users at lists.schedmd.com
> > Subject: Re: [slurm-users] Slurm 19-05-4-1 and Centos8
> >
> > Apologies for taking so long to wrap this thread up.
> >
> > For me, slurm 19-05.4.1 builds correctly with Philip Kovacs mod to the
> spec file (see below).
> > It installs and runs (after providing some massaging to the RH/Centos
> specific config locations/bits*) and I now have it installed with
> accounting on five nodes of our test cluster, and all appears well.
> >
> > Many thanks to all who contribute to this mailing list.
> >
> >
> > Kind Regards,
> > Shane Kelly
> >
> >
> > * Centos8 config/install bits (from memory) /var/run will not allow
> slurm to write a pid there, so I put a directory for all the
> slurm{d|ctld|dbd} PIDS under /var/run/. Don't forget to add a .conf file
> to  /usr/lib/tmpfiles.d/ to make your folder persist over a reboot. I
> copied the munge one, suitably edited.
> >
> > The systemd service files are hardwired to write pids to /var/run, so
> they need altering to reflect the /var/run/slurm path that I use.
> >
> > Hope this helps.
> >
> >> There's a typo in there.  It's lazy not -lazy.   Try adding exactly
> >> this line just before the %configure:
> >> # use -z lazy to allow dlopen with unresolved symbolsexport
> >> LDFLAGS="%{build_ldflags} -Wl,-z,lazy"                     <--- this
> >> should fix it%configure \
> >>     On Sunday, December 8, 2019, 05:30:00 PM EST, Brian Andrus
> >> <toomuchit at gmail.com> wrote:
> >>
> >>
> >> There must be something more, because I am trying it with
> >>
> >>
> >> [root at node02 ~]# rpm -E "%{build_ldflags}"
> >> -Wl,-z,relro  -Wl,-z,now
> >> -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,-z,-lazy
> >>
> >> It builds (as expected) but slurmd will not start due to the same
> >> error. (Note, I have also tried LDFLAGS without --specs and without
> >> -Wl,-z-now with the same result)
> >>
> >
> > --
> > Shane Kelly
> > HPC Systems Administrator
> > GPOL
> > WWCRC
> > Garscube Campus
> > University of Glasgow
> > shane.kelly at glasgow.ac.uk
> > ext: 3031
> >
> >
> >
>
> --
> Marcus Wagner, Dipl.-Inf.
>
> IT Center
> Abteilung: Systeme und Betrieb
> RWTH Aachen University
> Seffenter Weg 23
> 52074 Aachen
> Tel: +49 241 80-24383
> Fax: +49 241 80-624383
> wagner at itc.rwth-aachen.de
> www.itc.rwth-aachen.de
>
>
>
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