I think the node was not added to the cluster, but some changes on the node itself took place already (like creating /var/mmfs/gen ... and possibly others)
There is/was a chapter/appendix to the GPFS Adminstration Guide, telling how to permanently remove GPFS from a node, that might help on how to stop the mmaddnode command to cope with a node already belonging to a cluster ... -- Mit freundlichen Grüßen / Kind regards Achim Rehor Technical Support Specialist Spectrum Scale and ESS (SME) Advisory Product Services Professional IBM Systems Storage Support - EMEA [email protected]<mailto:[email protected]> +49-170-4521194 IBM Deutschland GmbH Vorsitzender des Aufsichtsrats: Sebastian Krause Geschäftsführung: Gregor Pillen (Vorsitzender), Nicole Reimer, Gabriele Schwarenthorer, Christine Rupp, Frank Theisen Sitz der Gesellschaft: Ehningen / Registergericht: Amtsgericht Stuttgart, HRB 14562 / WEEE-Reg.-Nr. DE 99369940 -----Original Message----- From: Jonathan Buzzard <[email protected]<mailto:jonathan%20buzzard%20%[email protected]%3e>> Reply-To: gpfsug main discussion list <[email protected]<mailto:gpfsug%20main%20discussion%20list%20%[email protected]%3e>> To: [email protected] <[email protected]<mailto:%[email protected]%22%20%[email protected]%3e>> Subject: [EXTERNAL] [gpfsug-discuss] Node in cluster but not in cluster Date: Tue, 24 Jun 2025 16:13:48 +0100 I was trying to add a node to the cluster but after an hour I ctrl-c it as it was clearly not in a good place. It told me that it didn't make changes ^Cmmdsh: Caught SIG INT - terminating the child processes. mmaddnode: Interrupt received: No changes made. I checked to make sure all the networking is correct, GPFS packages are installed on the node etc. and it is all good so I go to add it again and mmaddnode: Node <##### censored> was not added to the cluster. The node appears to already belong to a GPFS cluster. mmaddnode: mmaddnode quitting. None of the specified nodes are valid. mmaddnode: Command failed. Examine previous error messages to determine cause. Ok, lets try and delete it mmdelnode: Incorrect node <##### censored> specified for command. mmdelnode: No nodes were found that matched the input specification. mmdelnode: Command failed. Examine previous error messages to determine cause. Trying to do mmsdrrestore on the node gives mmsdrrestore: There is no record for this node in file gpfs0:/var/mmfs/gen/mmsdrfs. Either the node is not part of the cluster, or the file is for a different cluster, or not all of the node's adapter interfaces have been activated yet. mmsdrrestore: Command failed. Examine previous error messages to determine cause. The node does not show up in mmlsnode or mmlscluster Anyone and idea what is going on? JAB.
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