I fixed the issue that 'makedns -e' always started the 'named' on the xCAT MN. You can get the fix ddns.pm here: https://sourceforge.net/p/xcat/xcat-core/ci/master/tree/xCAT-server/lib/xcat/plugins/ddns.pm
I also changed the doc for the description that how to use the External DNS. https://sourceforge.net/apps/mediawiki/xcat/index.php?title=Cluster_Name_Resolution#Option_.232:_Use_a_DNS_That_is_Outside_of_the_Cluster Thanks Best Regards ---------------------------------------------------------------------- Wang Xiaopeng (王晓朋) IBM China System Technology Laboratory Tel: 86-10-82453455 Email: [email protected] Address: 28,ZhongGuanCun Software Park,No.8 Dong Bei Wang West Road, Haidian District Beijing P.R.China 100193 From: Christopher Samuel <[email protected]> To: [email protected], Date: 2014/04/08 08:39 Subject: Re: [xcat-user] Makedns wiping out DNS records -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01/04/14 23:51, Josh Nielsen wrote: > Okay, as long as makedns -e updates the external named server just > like it would a local named instance. Certainly seems to do so here. > The reason I had asked that is because the documentation was rather > ambiguously worded on that point. So now I'm just trying to figure > out the best way to make xCAT only update the external DNS > instance. Good luck! > Since you said that you have the problem of the local deamon > starting up regardless when you run makedns -e, have you ever > noticed whether it is actually updating local records also? To be honest I've never checked.. > Is your /var/named/ directory on the xCAT server populated with > zone files? ... it has some, but they all date from last year and given we've added hosts in the last few weeks it doesn't appear to be regenerating those. > Also did you remove the MN's local host IP (whether loopback or > assigned) from its /etc/resolv.conf and make it point only to the > external DNS server's IP? Correct, it only points to both of our external DNS servers. > Since I'm trying to transition without an outage I think I will > have to have a brief period where I have both the MN and the > external server running identical named configs. Then I can slowly > begin to move my compute cluster nodes to resolve to the external > server in 10 node increments or so, so that I can troubleshoot any > problems and undo it to resolve back to the MN again if need be. I > just want to be as careful as possible. Sounds like a plan, but be aware that you may need to run a separate makedns to populate the local zone files as well as makedns -e to do the external name servers. Best of luck! Chris - -- Christopher Samuel Senior Systems Administrator VLSCI - Victorian Life Sciences Computation Initiative Email: [email protected] Phone: +61 (0)3 903 55545 http://www.vlsci.org.au/ http://twitter.com/vlsci -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlNDRVQACgkQO2KABBYQAh+o9wCgkdDd17Dbt79FP73ndRMZKn4I uwMAn0+ZpVf5meq9HuNGGEyQvPb4UcJV =A4QE -----END PGP SIGNATURE----- ------------------------------------------------------------------------------ Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test & Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user
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