Re: [xcat-user] New makedns -e option in xCAT 2.7

Mon, 26 Mar 2012 04:56:53 -0700

I haven't looked, but makedns has been able to update existing zones on other dns servers if and only if that server trusted the xcatd key. Kerberized update isn't yet supported, but if someone requests that should be a feasible thing to implement.

It was unable to create new zones (afaik, the standard remote dns update mechanism has no such provision, but I could be wrong...)
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James Kelly --- [xcat-user] New makedns -e option in xCAT 2.7 ---

From:"James Kelly" <[email protected]>
To[email protected]
Date:Mon, Mar 26, 2012 6:01 AM
Subject[xcat-user] New makedns -e option in xCAT 2.7

Hi xCAT List,

For some time we have been under the impression that we needed to define a separate DNS sub-domain for each xCAT management node (i.e. each xCAT cluster) that we have in our environment.

I notice in the fine print of the release notes for xCAT 2.7 that xCAT can now update an external DNS server using the makedns -e option.  Does this mean that multiple xCAT management nodes (managing different clusters) can now share a single DNS sub-domain?  Or is it still recommended that each cluster be part of a separate DNS sub-domain?

If we use makedns -e, do the DNS zone files for forward and reverse name resolution need to be already defined on the external DNS server i.e. does the makedns -e command only update existing DNS zones or can it create new zones?

Regards James
High Performance Computing Specialist
IBM Research Collaboratory for Life Sciences - Melbourne
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