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<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 &lt;Burton@ntopSupport.com&gt; Daemon support added by Steve Shipway &lt;steve@steveshipway.org&gt;</p>


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