[rrd-users] Re: mail scripts

[Alex van den Bogaerdt]

Wendy Faulkner wrote:

> Ok.  Thanks for your help.  I started with:
> 
> rrdtool create virus.rrd --start 988174600 --step 3600 DS:input:GAUGE:172000:U:U RRA:MAX:0.5:1:600 RRA:MAX:0.5:6:700 RRA:MAX:0.5:24:775 RRA:MAX:0.5:288:797

looking good.
> 
> and then ran a script which inputted a lot of data:
> 
> rrdtool update virus.rrd 988174800:3
> rrdtool update virus.rrd 988261200:13
> ...
> rrdtool update virus.rrd 992494800:38

looking good.  Note that you have data starting at 988174800 and ending at
992494800.

> /usr/local/rrdtool-1.0.33/bin/rrdtool graph virus.gif --start 992494800 --vertial-label "viruses" DEF:myspeed=virus.rrd:input:MAX CDEF:realspeed=myspeed LINE2realspeed#FF0000

By default, the graph will span a day.  You start at 992494800 and the
end will thus be set to (992494800+86400=) 992581200.  This is unknown
data and the graph output is correct.

You want to see "--end 992494800 --start end-10d"  or so.

cheers,
-- 
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