<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>rrdinfo</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body style="background-color: white"> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <!-- <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#example">EXAMPLE</a></li> <li><a href="#author">AUTHOR</a></li> </ul> --> </div> <!-- INDEX END --> <p> </p> <h1><a name="name">NAME</a></h1> <p>rrdinfo - extract header information from an RRD</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <p><strong>rrdtool</strong> <strong>info</strong> <em>filename.rrd</em></p> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p>The <strong>info</strong> function prints the header information from an RRD in a parsing friendly format.</p> <p>Check <a href="././rrdcreate.html">the rrdcreate manpage</a> if you are uncertain about the meaning of the individual keys.</p> <p> </p> <hr /> <h1><a name="example">EXAMPLE</a></h1> <p>This is the output generated by running <strong>info</strong> on a simple RRD which contains two data sources and one RRA. Note that the number after the <em>last_update</em> keyword is in seconds since 1970. The string <strong>NaN</strong> stands for <em>*UNKNOWN*</em> data. In the example it means that this RRD has neither minimum nor maximum values defined for either of its data sources.</p> <pre> 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</pre> <dl> <dt><strong><a name="filename_rrd" class="item"><em>filename.rrd</em></a></strong></dt> <dd> <p>The name of the <strong>RRD</strong> you want to examine.</p> </dd> </dl> <p> </p> <hr /> <h1><a name="author">AUTHOR</a></h1> <p>Tobias Oetiker <<a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a>></p> </body> </html>