[CentOS] [OT]multi-master DNS

Thu Jun 29 16:00:44 UTC 2017
James A. Peltier <jpeltier at sfu.ca>

Sure!  Feel free to contact me off list.  We're also looking at reengineering our DNS/DHCP infrastructure and some of the ideas might be good to discuss with you some of your ideas

----- On 28 Jun, 2017, at 09:47, Tris Hoar trishoar at bgfl.org wrote:

| On 27/06/2017 00:49, James A. Peltier wrote:
|> Bind does not have a method to do multi-master replication.  All updates must be
|> done via an intermediary service (database).
|> In our case, we've used containers and Consul for providing a highly available
|> DNS service.  A container will fire up and race for the master lock.  It will
|> dump the contents of the database into its named configurations and assuming it
|> has the lock will assume the IP address of the master.  Others just come up as
|> slaves.
|> If the master lock is not renewed after a given period of time another container
|> can acquire the lock and become master by assuming the IP address of master
|> (VRRP/VRID/KeepAliveD)
| Hi James,
| Do you have any more info on this setup? I'm in the middle of looking at
| changing our DNS service and was thinking of containerising them for the
| improved deployment flexibility it offers.
| Tris
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James A. Peltier
IT Services - Research Computing Group
Simon Fraser University - Burnaby Campus
Phone   : 604-365-6432
Fax     : 778-782-3045
E-Mail  : jpeltier at sfu.ca
Website : http://www.sfu.ca/itservices
Twitter : @sfu_rcg
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