[EMAIL PROTECTED] wrote: > I want to monitor a 1 Gigabit Link. For this I set the intervall to 30s. > > ./rrdtool create ../test/bdfalk_8004.rrd --step 30
step==30 --> each PDP is 30 seconds. RRDtool will work with intervals of 30 seconds. > DS:input:COUNTER:600:U:U > DS:output:COUNTER:600:U:U heartbeat==600 --> updates should not be further apart than 600 seconds. (you may want to lower this value, to 70 or so) > RRA:AVERAGE:0.5:1:6000 1 PDP per CDP, 6000 CDPs > RRA:AVERAGE:0.5:60:700 60 PDPs per CDP, 700 CDPs > RRA:AVERAGE:0.5:240:775 240 PDPs per CDP, 775 CDPs > RRA:AVERAGE:0.5:720:797 720 PDPs per CDP, 797 CDPs > RRA:MAX:0.5:1:6000 > RRA:MAX:0.5:60:700 > RRA:MAX:0.5:240:775 > RRA:MAX:0.5:720:797 dito. Now I'll do one calculation, you do the rest: 240 PDPs per CDP, 775 CDPs. Each PDP is 30 seconds, there are 240 PDPs in each CDP so that is a total of 30 seconds * 240 PDPs == 7200 seconds per CDP. This can also be written as 2 hours per CDP. There are 775 CDPs, this is 775*2==1550 hours. This is 64 days and 14 hours. So, the 3rd and 7th RRA store 64 days and 14 hours each. cheers, -- __________________________________________________________________ / [EMAIL PROTECTED] [EMAIL PROTECTED] \ | work private | | My employer is capable of speaking therefore I speak only for myself | +----------------------------------------------------------------------+ | Technical questions sent directly to me will be nuked. Use the list. | +----------------------------------------------------------------------+ | http://faq.mrtg.org/ | | http://rrdtool.eu.org --> tutorial | +----------------------------------------------------------------------+ -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
