Haha! I know... I've been down that road before. xcat's DDNS plugin is very, very picky. Usually starting fresh and having xcat re-generate the hosts file, dhcp and dns configuration seems to fix things.
DNS also seemed to work better before the support for dynamic DNS was added. On 2/7/2012 1:29 PM, Jonathan Dye wrote: > i know, right? > > nothing explicitly with the dhcp or dns configurations. despite not having > all the free addresses in the range accounted for, it just stopped working at > like the 52nd VM in a batch of 80. restarting that vm would never result in > ddns registering the address. neither would cleaning, or changing the omapi > key on both sides. > > i'm sorry to report that fatigue set in and i started using unsavory methods > to fix it. once i stopped changing one thing at a time it started working > after some combination of: > > patching xcat to break v6 detection so it is always off. > removing the dhcpd file (and not relying on makedhcp -n to replace it) > cleaning the environment again (by cleaning the zone files, the lease files, > and with makedns -n, makedhcp -n) > creating the managed-keys.bind file which was causing an error on startup > > this is not a production environment and it's good enough for now. > > - jonathan > > ----- Original Message ----- > From: "Russell Jones"<[email protected]> > To: [email protected] > Sent: Tuesday, February 7, 2012 11:58:57 AM > Subject: Re: [xcat-user] ddns update problems > > What all changed on the system between yesterday and today? :) > > On 2/7/2012 12:47 PM, Jonathan Dye wrote: >> also, i should say, makedns works with hosts that have been added to the >> hosts file beforehand. >> dhcp also hands out leases and pxe boots machines and vms with expected >> images. the ones that rely on ddns do not get dns records, however, and >> fail in postscripts. >> >> dnshandler is set to ddns in the site table and, again, this was all working >> yesterday. >> >> - jonathan >> >> ----- Original Message ----- >> From: "Jonathan Dye"<[email protected]> >> To: "xCAT Users Mailing list"<[email protected]> >> Sent: Tuesday, February 7, 2012 11:41:23 AM >> Subject: [xcat-user] ddns update problems >> >> suddenly DDNS updates are not happening. the update key is set to the same >> thing in both dhcp and named. i've tried cleaning the dhcp and dns state up >> to the best of my knowledge. manual updates with that key work in the >> nsupdate utility. i tried watching what happened when i update a lease in >> omshell but i was getting "not implemented" errors in omshell while trying >> to load existing leases. anyways- could someone help me with how to >> diagnose this? >> >> - jonathan >> >> ------------------------------------------------------------------------------ >> Keep Your Developer Skills Current with LearnDevNow! >> The most comprehensive online learning library for Microsoft developers >> is just $99.99! 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