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RRDINFO(1)			    rrdtool			    RRDINFO(1)

       rrdinfo - extract header information from an RRD

       rrdtool info filename.rrd

       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.

       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

	       The name of the RRD you want to examine.

       Tobias Oetiker 

1.2.15				  2006-07-14			    RRDINFO(1)

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