<arg choice="plain"><option>-B</option></arg>

<arg choice="plain"><replaceable>newbindir</replaceable></arg>

<arg choice="plain"><option>-d</option></arg>

<arg choice="plain"><replaceable>olddatadir</replaceable></arg>

<arg choice="plain"><replaceable>oldconfigdir</replaceable></arg>

<arg choice="plain"><option>-D</option></arg>

<arg choice="plain"><replaceable>newdatadir</replaceable></arg>

<arg choice="plain"><replaceable>newconfigdir</replaceable></arg>

<arg rep="repeat"><replaceable>option</replaceable></arg>

</cmdsynopsis>

</refsynopsisdiv>

</varlistentry>

<varlistentry>

<term><option>-d</option> <replaceable>datadir</replaceable></term>

<term><option>--old-datadir=</option><replaceable>datadir</replaceable></term>

<listitem><para>the old clusterdata directory; environment

<term><option>-d</option> <replaceable>configdir</replaceable></term>

<term><option>--old-datadir=</option><replaceable>configdir</replaceable></term>

<listitem><para>the olddatabaseclusterconfiguration directory; environment

variable <envar>PGDATAOLD</envar></para></listitem>

</varlistentry>

<varlistentry>

<term><option>-D</option> <replaceable>datadir</replaceable></term>

<term><option>--new-datadir=</option><replaceable>datadir</replaceable></term>

<listitem><para>the new clusterdata directory; environment

<term><option>-D</option> <replaceable>configdir</replaceable></term>

<term><option>--new-datadir=</option><replaceable>configdir</replaceable></term>

<listitem><para>the newdatabaseclusterconfiguration directory; environment

variable <envar>PGDATANEW</envar></para></listitem>

</varlistentry>

<title>Save configuration files</title>

<para>

Save any configuration files from the old standbys'data

Save any configuration files from the old standbys'configuration

directories you need to keep, e.g. <filename>postgresql.conf</filename>,

<literal>recovery.conf</literal>, because these will be overwritten or

removed in the next step.