troubleshoot cacti graph Nan-Nan

update dan tune up rrd apabila graph tdk muncul dan putus putus di cacti







http://forums.cacti.net/viewtopic.php?f=2&t=48599




rrdtool info /var/www/localhost/htdocs/cacti/rra/63/3601.rrd | grep heartbeat
rrdtool info /var/www/localhost/htdocs/cacti/rra/63/3601.rrd | grep -i 'min\|max'
rrdtool tune /var/www/localhost/htdocs/cacti/rra/63/3601.rrd -h RRDsProcessed:600 ( disini saya menggunaakn 800 )