Running Multiple Primary Master Name Servers for the Same Zone

5.26.1 Problem

You want to run more than one primary master name server for the same zone.

5.26.2 Solution

Configure multiple name servers with zone statements of type master for the zone, then use a program such as scp, rdist, or rsync to keep the zone data files synchronized.

5.26.3 Discussion

An rdist distfile to synchronize zone data files between two name servers might look like this:

DUPS = ( )

FILES = ( /var/named/ )

${FILES} -> ${DUPS}

 special "rndc reload foo.example";

A scheme like this won't work with a dynamically updated zone, because the zone data file won't usually be rewritten right away after the name server receives an update. Moreover, if more than one primary master actually accepts dynamic updates, rsync-style synchronization might corrupt the zone data file.

5.26.4 See Also

rdist(1) and scp(1).

Getting Started

Zone Data

BIND Name Server Configuration

Electronic Mail

BIND Name Server Operations

Delegation and Registration


Interoperability and Upgrading

Resolvers and Programming

Logging and Troubleshooting


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DNS & BIND Cookbook
DNS & BIND Cookbook
ISBN: 0596004109
EAN: 2147483647
Year: 2005
Pages: 220
Authors: Cricket Liu
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