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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>6.3. Reconfiguring resources</title><link rel="stylesheet" type="text/css" href="default.css" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="home" href="drbd-users-guide.html" title="The DRBD User’s Guide" /><link rel="up" href="ch-admin.html" title="Chapter 6. Common administrative tasks" /><link rel="prev" href="s-enable-disable.html" title="6.2. Enabling and disabling resources" /><link rel="next" href="s-switch-resource-roles.html" title="6.4. Promoting and demoting resources" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">6.3. Reconfiguring resources</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="s-enable-disable.html">Prev</a> </td><th width="60%" align="center">Chapter 6. Common administrative tasks</th><td width="20%" align="right"> <a accesskey="n" href="s-switch-resource-roles.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="s-reconfigure"></a>6.3. Reconfiguring resources</h2></div></div></div><p><a id="idp45621296" class="indexterm"></a>DRBD allows you to reconfigure resources while
they are operational. To that end,</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
make any necessary changes to the resource configuration in
<code class="literal">/etc/drbd.conf</code>,
</li><li class="listitem">
synchronize your <code class="literal">/etc/drbd.conf</code> file between both nodes,
</li><li class="listitem">
issue the <a id="idp45626304" class="indexterm"></a><code class="literal">drbdadm adjust <resource></code> command on
both nodes.
</li></ul></div><p><code class="literal">drbdadm adjust</code> then hands off to <code class="literal">drbdsetup</code> to make the necessary
adjustments to the configuration. As always, you are able to review
the pending <code class="literal">drbdsetup</code> invocations by running <code class="literal">drbdadm</code> with the
<code class="literal">-d</code> (dry-run) option.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png" /></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>When making changes to the <code class="literal">common</code> section in <code class="literal">/etc/drbd.conf</code>,
you can adjust the configuration for all resources in one run, by
issuing <code class="literal">drbdadm adjust all</code>.</p></td></tr></table></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="s-enable-disable.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch-admin.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="s-switch-resource-roles.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">6.2. Enabling and disabling resources </td><td width="20%" align="center"><a accesskey="h" href="drbd-users-guide.html">Home</a></td><td width="40%" align="right" valign="top"> 6.4. Promoting and demoting resources</td></tr></table></div></body></html>
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