The hostname and address can't be updated using scontrol update: "Update of this parameter is not supported: NodeHostname=testing"
Are there other ways to update it? P.S. Sorry, I actually wanted to reply to the list ;-) On Jul 18, 2011, at 14:47 , [email protected] wrote: > The actual hostname and address and name that slurm uses can also be > different. > See NodeName, NodeHostname, and NodeAddr in man slurm.conf. > > Quoting Jonathan Stoppani <[email protected]>: > >> Thanks, this is a good pointer. >> >> I think though that I will have to reconfigure the controller anyways, as I >> don't know the hostname of a given node until the allocation occurs. >> >> On Jul 18, 2011, at 14:14 , [email protected] wrote: >> >>> There is a node state of "FUTURE" that may satisfy your needs. This is >>> from "man slurm.conf": >>> >>> FUTURE Indicates the node is defined for future use and need not >>> exist when the SLURM daemons are started. These nodes can be made >>> available for use simply by updating the node state using the scontrol >>> command rather than restarting the slurmctld daemon. After these nodes are >>> made available, change their State in the slurm.conf file. Until these >>> nodes are made available, they will not be seen using any SLURM >>> commands or Is nor will any attempt be made to contact them. >>> >>> >>> Quoting Jonathan Stoppani <[email protected]>: >>> >>>> Hi, >>>> >>>> I'm developing a virtualization layer to dynamically feed virtual nodes >>>> to SLURM, based on user requests. These nodes can be virtual machines >>>> running on physical nodes of a cluster or come from cloud computing >>>> service providers or what else you can imagine.... >>>> >>>> Once the node (running slurmd) is up and running, I add the relevant >>>> configuration entry to the SLURM configuration file and issue an >>>> "scontrol reconfigure" command for the controller to pick it up. >>>> >>>> Are there better ways to dynamically manage nodes? Are there >>>> reconfiguration consequences I should be aware of? >>>> >>>> Thanks, >>>> Jonathan >>>> >>> >>> >>> >> >> > > >
