I think its PXE itself. The node tries to PXE boot but the head node
never registers an attempt and nodediscover rescan/list shows no
entries. After vMotioning the node to the same host as the head node
and retrying, the attempt is registered and I can assign the mac to the
node and deploy it. This has been consistent behavior in my testing.
We have the same issue at our colo partners private cloud, only the web
interface we're provided doesn't give us access to the underlying
hardware hosts. So it works on occasion if we're lucky, but there's no
way to see it unless I raise a ticket with them. So if I can figure it
out on our internal cluster I have more details to give our colo vendor.
On 12/1/25 15:28, Jarrod Johnson via xCAT-user wrote:
Is it PXE stage that gives you trouble or a step after Linux is booted?
------------------------------------------------------------------------
*From:* Brian Joiner <[email protected]>
*Sent:* Monday, December 1, 2025 4:22 PM
*To:* xCAT Users Mailing list <[email protected]>
*Subject:* [External] [xcat-user] Confluent PXE boot and VMware
Virtual switches
Hi all,
I emailed a while back regarding some inconsistent behavior with PXE
boot on Confluent deployments in *virtual environments*, and now that
I have some more data points I've narrowed it down to this:
IF both the head node and client node VM are on the same physical
(esxi in this case) host, then PXE answers as expected and deployment
works. If they are on different nodes, it times out and the client
does not answer. I have followed several guides and enlisted the AI
to make sure my multicast setup is right, but at the end of the day
I'm not a network engineer or a VMware expert. Has anyone else got
experience with configuring a distributed virtual switch in vSphere
for a management/deployment network that allows PXE to traverse to
other physical hosts?
Thanks,
Brian Joiner
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