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<?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>rrdfirst</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body> <h1 id="NAME">NAME</h1> <p>rrdfirst - Return the date of the first data sample in an RRA within an RRD</p> <h1 id="SYNOPSIS">SYNOPSIS</h1> <p><b>rrdtool</b> <b>first</b> <i>filename</i> [<b>--rraindex</b> <i>number</i>] [<b>--daemon</b>|<b>-d</b> <i>address</i>]</p> <h1 id="DESCRIPTION">DESCRIPTION</h1> <p>The <b>first</b> function returns the UNIX timestamp of the first data sample entered into the specified RRA of the RRD file.</p> <dl> <dt id="filename"><i>filename</i></dt> <dd> <p>The name of the <b>RRD</b> that contains the data.</p> </dd> <dt id="rraindex-number"><b>--rraindex</b> <i>number</i></dt> <dd> <p>The index number of the <b>RRA</b> that is to be examined. If not specified, the index defaults to zero. <b>RRA</b> index numbers can be determined through <b>rrdtool info</b>.</p> </dd> <dt id="daemon--d-address"><b>--daemon</b>|<b>-d</b> <i>address</i></dt> <dd> <p>Address of the <a href="./rrdcached.html">rrdcached</a> daemon. For a list of accepted formats, see the <b>-l</b> option in the <a href="./rrdcached.html">rrdcached</a> manual.</p> <pre><code> rrdtool first --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd</code></pre> </dd> </dl> <h1 id="AUTHOR">AUTHOR</h1> <p>Burton Strauss <Burton@ntopSupport.com> Daemon support added by Steve Shipway <steve@steveshipway.org></p> </body> </html>