<div dir="ltr">There is no ntp service running on any of my nodes, and all but this one is working. I haven't heard that ntp is a requirement for slurm, just that the time be synchronized across the cluster. And it is.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 15, 2020 at 12:17 PM Carlos Fenoy <<a href="mailto:minibit@gmail.com">minibit@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div dir="auto">I’d check ntp as your encoding time seems odd to me</div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 15 Apr 2020 at 19:59, Dean Schulze <<a href="mailto:dean.w.schulze@gmail.com" target="_blank">dean.w.schulze@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I've installed two new nodes onto my slurm cluster. One node works, but the other one complains about an invalid credential for munge. I've verified that the munge.key is the same as on all other nodes with<div><br>sudo cksum /etc/munge/munge.key</div><div><br></div><div>I recopied a munge.key from a node that works. I've verified that munge uid and gid are the same on the nodes. The time is in sync on all nodes. </div><div><br></div><div>Here is what is in the slurmd.log:<br><div><br></div><div> error: Unable to register: Unable to contact slurm controller (connect failure)<br> error: Munge decode failed: Invalid credential<br> ENCODED: Wed Dec 31 17:00:00 1969<br> DECODED: Wed Dec 31 17:00:00 1969<br> error: authentication: Invalid authentication credential<br> error: slurm_receive_msg_and_forward: Protocol authentication error<br> error: service_connection: slurm_receive_msg: Protocol authentication error<br> error: Unable to register: Unable to contact slurm controller (connect failure)<br></div></div><div><br></div><div>I've checked in the munged.log and all it says is </div><div><br></div><div>Invalid credential </div><div><br></div><div>Thanks for your help</div></div>
</blockquote></div></div>-- <br><div dir="ltr">--<br>Carles Fenoy<br></div>
</blockquote></div>