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RRDINFO(1)			    rrdtool			    RRDINFO(1)

NAME
       rrdinfo - extract header	information from an RRD

SYNOPSIS
       rrdtool info filename.rrd

DESCRIPTION
       The info	function prints	the header information from an RRD in a	pars-
       ing friendly format.

       Check rrdcreate if you are uncertain about the meaning of the individ-
       ual keys.

EXAMPLE
       This is the output generated by running info on a simple	RRD which con-
       tains two data sources and one RRA. Note	that the number	after the
       last_update keyword is in seconds since 1970. The string	NaN stands for
       *UNKNOWN* data. In the example it means that this RRD has neither mini-
       mum nor maximum values defined for either of its	data sources.

	filename = "random.rrd"
	rrd_version = "0001"
	step = 300
	last_update = 955892996
	ds[a].type = "GAUGE"
	ds[a].minimal_heartbeat	= 600
	ds[a].min = NaN
	ds[a].max = NaN
	ds[a].last_ds =	"UNKN"
	ds[a].value = 2.1824421548e+04
	ds[a].unknown_sec = 0
	ds[b].type = "GAUGE"
	ds[b].minimal_heartbeat	= 600
	ds[b].min = NaN
	ds[b].max = NaN
	ds[b].last_ds =	"UNKN"
	ds[b].value = 3.9620838224e+03
	ds[b].unknown_sec = 0
	rra[0].cf = "AVERAGE"
	rra[0].pdp_per_row = 1
	rra[0].cdp_prep[0].value = nan
	rra[0].cdp_prep[0].unknown_datapoints =	0
	rra[0].cdp_prep[1].value = nan
	rra[0].cdp_prep[1].unknown_datapoints =	0

       filename.rrd
	       The name	of the RRD you want to examine.

AUTHOR
       Tobias Oetiker <tobi@oetiker.ch>

1.2.30				  2009-01-19			    RRDINFO(1)

NAME | SYNOPSIS | DESCRIPTION | EXAMPLE | AUTHOR

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