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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
parsing friendly format.
Check rrdcreate if you are uncertain about the meaning of the
individual keys.
EXAMPLE
This is the output generated by running info on a simple RRD which
contains 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
minimum 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>
1.3.8 2008-03-15 RRDINFO(1)
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