What the Start Method Does

Before attempting to start DNS, the Start method in the sample data service verifies that the configuration directory and configuration file (named.conf) are accessible and available. Information in named.conf is essential to the successful operation of DNS.

This callback method uses the PMF (pmfadm) to start the DNS daemon (in.named). If DNS crashes or fails to start, the PMF attempts to start the DNS daemon a prescribed number of times during a specified interval. The number of retries and the interval are specified by properties in the data service's RTR file.