In that sense, you may consider to change the setting of LSF_DUALSACK_PREFER_IPV6 for this cluster.

Hi, @YI SUN, thank you for replying. No, there aren't any IPv4-only servers in the cluster. All servers are either IPv6-only or dual-stack.

Hi, For a host with 8 GPUs , we want to tell LSF not to use specific two of them. Is there an option to configure it ? Thanks, -- Shali -- ------------------------------ ...

In your cluster, do all server nodes have IPv6 only and/or dual stack? When enable IPv6, any node in the cluster cannot have IPv4 only.

Thank you for your invitation and welcome!Best regards.Vaia Tausiani.IT.SLP. M.Sc.

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Hi Frank, yes - the web interface here is broken, when it comes to replying to messages! Also the draft function doesn't work - I lost my first answer yesterday, ...

Thanks Yi Sun and Bernd Damman, for some reason I don't seem able to respond to your answers :-(, hence I reply to my own question... I think what reflects the requested ...