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This thread on the forums may help:<br>
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<a href="https://groups.google.com/g/slurm-users/c/YB55Ru9rvD4" id="LPNoLPOWALinkPreview">https://groups.google.com/g/slurm-users/c/YB55Ru9rvD4</a><br>
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It looks like you have something on your network with an older version of slurm installed. I'd check the Slurm version installed on your compute nodes and controllers.<br>
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The recommended approach to upgrading is to upgrade the SlurmDB first, then the controllers, then the compute nodes. More info here:<br>
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<a href="https://slurm.schedmd.com/quickstart_admin.html#upgrade" id="LPNoLPOWALinkPreview_1">https://slurm.schedmd.com/quickstart_admin.html#upgrade</a><br>
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Regards</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> slurm-users <slurm-users-bounces@lists.schedmd.com> on behalf of Wadud Miah <W.Miah@soton.ac.uk><br>
<b>Sent:</b> Thursday, September 8, 2022 10:47 AM<br>
<b>To:</b> slurm-users@lists.schedmd.com <slurm-users@lists.schedmd.com><br>
<b>Subject:</b> [slurm-users] Upgrading SLURM from 18 to 20.11.9</font>
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Hi,</div>
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I am attempting to upgrade from SLURM 18 to 20.11.9 and when I attempt to start slurmdbd (version 20.11.9), I get the following error messages in /var/log/slurm/slurmdbd.log:<br>
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[2022-09-08T15:45:11.115] slurmdbd version 20.11.9 started
<div>[2022-09-08T15:45:23.001] error: unpack_header: protocol_version 8448 not supported</div>
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[2022-09-08T15:33:57.001] unpacking header
<div>[2022-09-08T15:33:57.001] error: destroy_forward: no init</div>
<div>[2022-09-08T15:33:57.001] error: slurm_unpack_received_msg: Message receive failure</div>
[2022-09-08T15:33:57.011] error: CONN:11 Failed to unpack SLURM_PERSIST_INIT message<br>
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Any help will be greatly appreciated.</div>
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Regards,<br>
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<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Wadud Miah</div>
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Research Computing Support<br>
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University of Southampton<br>
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