Re: [xcat-user] How to re-discover a node?

[Er Tao Zhao]

Hi, Kevin

 

Yes, if a server have been discovered, bmcdiscover will report the node match to a pre-defined node.

 

But for your scenario, the server host MAC address is set to the pre-defined node, if bmcdiscover can match a pre-defined node, how does the Mac address is missing?

 

 

And you don't need to worry about the bmcdiscover matching, if the Mac address for pre-defined node is missing, you can do:

1. nodeset <predefined_node> offline

2. rpower <predefined_node> boot

To restart hardware discovery.

Pls let me know if there is any more issues.

 

 

Thx!

Best Regards,
-----------------------------------
Zhao Er Tao

IBM China System and Technology Laboratory, Beijing
Tel:(86-10)82450485
Email: erta...@cn.ibm.com
Address: 1/F, 28 Building,ZhongGuanCun Software Park,
No.8 DongBeiWang West Road, Haidian District,
Beijing, 100193, P.R.China

 

 

----- Original message -----
From: Kevin Keane <kke...@sandiego.edu>
To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net>
Cc:
Subject: [xcat-user] How to re-discover a node?
Date: Tue, Nov 20, 2018 6:45 AM
 

I am using xCAT 2.14.4 on RedHat 7.4.

 

I have BMC discovery working (with the MTMS approach, and using different IP addresses. This works well:

 

- Create the predefined node (I do this before running bmcdiscover)

- run bmcdiscover to create tne node-model_type-serial nodes.

- power on the nodes

- xCAT matches the node-model_type-serial nodes with my predefined nodes.

- xCAT populates the mac address and other fields.

- on the nodes, the BMC changes to the static IP I want to use.

 

But when I then delete my node object and try to repeat the process, discovery fails:

 

- Create the predefined node.

- run bmcdiscover. Bmcdiscover will report that the node already exists.

- From here on, I can't figure out how to get the mac address to populate.

 

So how can I re-run discovery to populate the mac address, when the BMC already has its static IP?

 

Thanks!

 

_______________________________________________________________________

Kevin Keane | Systems Architect | University of San Diego ITS | kke...@sandiego.edu
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