The sadc command should be run at system boot time to record the statistics from when the counters are reset to zero. To make sure that the sadc command is run at boot time, the svcadm enable system/sar:default command writes a record to the daily data file.
The command entry has the following format:
/usr/bin/su sys -c "/usr/lib/sa/sadc /var/adm/sa/sa`date +%d`" |