[gateN:~] # cat /usr/local/etc/ha.d/haresources

gate1.corpX.un gmirror jailserv

[gateN:~] # cat /usr/local/etc/ha.d/resource.d/jailserv

#!/bin/sh

case $1 in
start)
        /etc/rc.d/jail forcestart mail
        ;;
stop)
        /etc/rc.d/jail forcestop mail
        ;;
esac

exit 0

[gateN:~] # chmod +x /usr/local/etc/ha.d/resource.d/jailserv