cluster's data directory.

(<acronym>HBA</acronym> stands for host-based authentication.) A default

<filename>pg_hba.conf</filename> file is installed when the data

directory is initialized by <command>initdb</command>. It is

directory is initialized by <xref linkend="app-initdb"/>. It is

possible to place the authentication configuration file elsewhere,

however; see the <xref linkend="guc-hba-file"/> configuration parameter.

</para>