On Aug 22, 2025, at 08:13, Ole Holm Nielsen via slurm-users <slurm-users@lists.schedmd.com> wrote:

I've built and tested the lbnl-nhc-1.5-0.82.gf8dc.el8.noarch RPM which is built as described in my previous mail. Unfortunately LBNL NHC version 1.5-0.82.gf8dc fails to recognize NHC_RM=slurm in nhc.conf. We get this error:

/usr/libexec/nhc/node-mark-online: Unsupported RM detected in /usr/libexec/nhc/node-mark-online: ""

I created a new issue https://github.com/mej/nhc/issues/165

We need this issue to be fixed before we can deploy NHC 1.5 :-(

Any suggestions?

Ole, I don’t know if this is a change from the 1.4.2 that we run, but we don’t have NHC_RM defined in our config. There’s an example of "NHC_RM=pbs”, but we have it commented out. This rings the faintest of bells, so you might check the documentation and see if it’s only required for certain resource managers/if the thing assumes Slurm to begin with?

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