Hi Moe, Where are these jobs preserved at? I’ve been curious about this. For when the time comes necessary to take down the primary head node for maintenance, I see that you can have the backup controller take over. How does this happen? Sorry if I’ve missed it in the docs somewhere, thanks!
Chris On 6/10/14, 7:55 AM, "Michael Gutteridge" <[email protected]> wrote: > >Note that some parameters require a full restart, not just >reconfigure. There's little user impact when restarting slurmctld. > >When you get to upgrading have a look at this: > >http://slurm.schedmd.com/quickstart_admin.html#upgrade > >M > >On Tue, Jun 10, 2014 at 7:16 AM, <[email protected]> wrote: >> >> Pending and running jobs should be preserved across major releases too. >> >> >> Quoting Barbara Krasovec <[email protected]>: >> >>> On 06/10/2014 08:24 AM, José Manuel Molero wrote: >>>> >>>> Dear Slurm user, >>>> >>>> Maybe this are dummy questions, but I can't find the response in the >>>> manual. >>>> >>>> Recently we have installed in a cluster, the slurm 14.03 version, in a >>>> Red Hat/ Scientific Linux enviroment. >>>> In order to tune the configuration, we want to test different >>>>parameters >>>> of the slurm.conf >>>> But there are several users running important jobs for several days. >>>> >>>> How can I change the configuration of slurm and restart the slurmctld >>>> without affecting to the users and the jobs of the users? Its also >>>>necessary >>>> restart the slurm daemons? >>>> Is also possible to upgrade or change the slurm version while there >>>>are >>>> jobs running? >>>> >>>> Thanks in advance. >>>> >>> Hello! >>> >>> We apply new configuration parameters with "scontrol reconfigure" >>>(first I >>> arrange new slurm.conf on all nodes). >>> >>> Upgrading slurm: in my experience, when upgrading to a minor release >>>(e.g. >>> from 2.6.4 to 2.6.X), it is not a problem to do it on a running >>>cluster, >>> jobs are conserved. But upgrading to a major release (e.g. from 2.5 to >>>2.6), >>> cluster has to be drained first, otherwise jobs are killed. >>> >>> Cheers, >>> Barbara >> >> > > > >-- >Hey! Somebody punched the foley guy! > - Crow, MST3K ep. 508
