Michel,
I think your plan of changing the hostname via a postscript is the most
common approach for your use case.
I can't think of any xCAT features that would enable this behavior
automatically.
From: "Semedo, Michel" <michel.sem...@hpe.com>
To: "xCAT Users Mailing list" <xcat-user@lists.sourceforge.net>
Date: 01/19/2022 11:12 AM
Subject: [EXTERNAL] Re: [xcat-user] Changing the default hostname for
the compute
Hello all,
Sorry to bother you again but this query is really needed for a use case
where I have to implement it.
The reason where I can’t use the default hostname (seated on the Mgmt net)
is that network is not routed/allowed for security purpose.
I’m just trying to know if there is another way to do that instead of doing
it within a postscript session at the end of node provisioning.
Thanks for any hints/advices.
Best regards
Michel Semedo
Technical Consultant
Open Source Linux/HPC
HPE Pointnext Services
michel.sem...@hpe.com
+33 6 7299 3848 Office
+33 6 7299 3848 Mobile
Puteaux
hpe.com/pointnext
From: Semedo, Michel <michel.sem...@hpe.com>
Sent: vendredi 14 janvier 2022 18:00
To: xcat-user@lists.sourceforge.net
Subject: [xcat-user] Changing the default hostname for the compute
Hello Everyone,
I’m looking for some hints about the most suitable way to change the
default hostname on compute node.
I’m currently using the 2.16.3 version of xCAT on top of rhel 7.9
On my lab I have the following conf regarding the network topic:
Management network (not routed) – used for compute registration and
installation
Public network (routed ) – network services (DNS, NTP , …) and public
access
On compute nodes we have the following Nics , let say : eno1 => management
net (installnic) and eno2 => Public net
During the node registration the node name (binded to the @IP of eno1) will
be the default hostname, in my case node1-adm.
But what I want to do is to replace the default hostname (normally on the
management net) by using the @IP of the second NIC (eno2) on the public net
I would like to have something like that : node1.mydomain.lab.fr as the
hostname
I’m thinking to run a postscript file at the end of the node installation
by calling the relevant command (hostnamectl or modifying the /etc/hostname
file).
The question is:
During the node registration, do we have a way to setup the hostname
as mentioned above, I mean that I would like to have the hostname
binded to the NIC on the public network?
Thanks in advance for any hints or direction I should take in order to
achieve this setup.
Best regards
Michel Semedo
Technical Consultant
Open Source Linux/HPC
HPE Pointnext Services
michel.sem...@hpe.com
+33 6 7299 3848 Office
+33 6 7299 3848 Mobile
Puteaux
hpe.com/pointnext
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