We do this for our Infiniband set up.  What we do is that we populate /etc/hosts with the hostname mapped to the IP we want Slurm to use.  This way you get IP traffic traversing the address you want between nodes while not having to mess with DNS.

-Paul Edmon-

On 3/14/2023 12:19 AM, Purvesh Parmar wrote:
Thank you.

It would be helpful if you can elaborate on this. We had hostnames given according to interfaces. Now that also needs to be changed,

Thanks,
P. parmar

On Tue, 14 Mar 2023 at 07:58, Steven Hood <sh...@axiado.com> wrote:

    Set dns server to use the ip address of the 10g





    Sent from my T-Mobile 4G LTE Device



    -------- Original message --------
    From: Purvesh Parmar <purveshp0...@gmail.com>
    Date: 3/13/23 7:05 PM (GMT-08:00)
    To: Slurm User Community List <slurm-users@lists.schedmd.com>
    Subject: Re: [slurm-users] changing the operational network in
    slurm setup

    CAUTION: This email originated from outside of the organization.
    Do not click links or open attachments unless you recognize the
    sender and know the content is safe.

    Hi,

    No, its an additional network enabled on all the nodes and now
    slurm services we want to migrate from 1 GbE network to 10 GbE
    network. Yes, we have assigned different ip addresses on the 10
    GbE network

    On Tue, 14 Mar 2023 at 07:22, Steven Hood <sh...@axiado.com> wrote:

        Have you changed the IP assignment to use the 10GB interface?


        -----Original Message-----
        From: Purvesh Parmar <purveshp0...@gmail.com>
        Reply-To: Slurm User Community List
        <slurm-users@lists.schedmd.com>
        To: Slurm User Community List <slurm-users@lists.schedmd.com>
        Subject: [slurm-users] changing the operational network in
        slurm setup
        Date: 03/13/2023 06:19:13 PM

        CAUTION: This email originated from outside of the
        organization. Do not click links or open attachments unless you
        recognize the sender and know the content is safe.

        hi,

        We have slurm 22.08 running on ethernet  (1 GbE) network
        (slurmdbd, slurmctld and slurmd on compute nodes) on
        ubuntu 20.04. We want to migrate the slurm services on the 10
        gbe network, which is present on all the nodes and on the
        master server as well. How to proceed for this?

        Thanks,
        P. Parmar

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