I've seen a few interesting proposals for running dnsmasq in a redundant way. (running active/passive and trying to keep leases updated atomically, eg. using a db)
But I haven't seen an actual implementation documented anywhere. Those concepts mostly 'address' setting up a standby dhcp server, but I'm also interested in a secondary DNS server implementation using dnsmasq, and I can't seem to find detailed documentation on that either. Just in case anyone is wondering 'why' -- machines need package updates and occasional rebooting. I'd very much like to be able to temporarily take down my primary dhcp/dns infra with minimal impact. I've used isc and bind, and frankly it's a PITA to manage and maintain. I really like the simplicity of dnsmasq, but I'd also like some manageable redundancy? Is there a blog post out there that I just can't seem to find? :) If not, I guess I'll have to try to make one myself. Cheers, Joel Krauska
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