You get so used to yum upgrades going so smoothly but I learned the hard way to always make a thorough inspection after a yum update. I let yum go ahead and upgrade from 3.5 to 3.6. Afterwards I made some basic queries to httpd, postfix and bind named (probably a cached query). I even checked the /var/named/ directory and saw all my hosts files.
So looked like another smooth ride, well until today I noticed my domains dropped off the net. Too bad I did not check the bind gui or look at /etc/named.conf after the yum update since it was replaced with a generic version from 3.6.
Luckily I copied /etc/named.conf-rpmsave to named.conf and I am back in business, well at least in 24 to 72 hours for the rest of the world :(
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