[slurm-users] Munge decode failing on new node

[Dean Schulze]

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

sudo cksum /etc/munge/munge.key

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.

Here is what is in the slurmd.log:

 error: Unable to register: Unable to contact slurm controller (connect
failure)
 error: Munge decode failed: Invalid credential
 ENCODED: Wed Dec 31 17:00:00 1969
 DECODED: Wed Dec 31 17:00:00 1969
 error: authentication: Invalid authentication credential
 error: slurm_receive_msg_and_forward: Protocol authentication error
 error: service_connection: slurm_receive_msg: Protocol authentication error
 error: Unable to register: Unable to contact slurm controller (connect
failure)

I've checked in the munged.log and all it says is

Invalid credential

Thanks for your help
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