So a quick question is how long is never?  I had a similar situation today and 
the setupntp script was taking a really long time but finally gave up. The 
problem for me was that chronyd was not configured on the management node to 
respond on any network interfaces. Chronyd has replaced ntpd on redhat 7.  

  -- ddj
Dave Johnson

> On Jul 3, 2018, at 2:55 PM, Sam Davis <aractha...@gmail.com> wrote:
> 
> Hello,
>   I am trying to setup a new HPC cluster using XCAT (2.14).  I have installed 
> the management node and created the boot image (RHEL 7.5).  The node has been 
> discover and PXE boots, downloading the image file.  But the boot process 
> stalls and never finishes.  I have even copied over a working RHEL 7.3 image 
> from our other cluster to see if that is the issue.  I’ve tried disabling and 
> enabling hyperthreading in the client machine.  I’ve also updated the 
> firmware on the client machine.  Does anyone have any ideas of what I might 
> try next?
> 
> 
> Node Hardware
> IBM x3850 X5
> 256 GB RAM
> Machine Type 7143 AC1
> 4 x Intell Xeon E7 4820
>  
> <shcpboot.jpg>
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