<filename>postmaster.opts</>

</para>

</listitem>

<listitem>

<para>

various temporary files created during the operation of the PostgreSQL server

</para>

</listitem>

<listitem>

<para>

<filename>pg_xlog</>, including subdirectories. If the backup is run

backup to work, not the rest of the contents.

</para>

</listitem>

<listitem>

<para>

<filename>pg_replslot</> is copied as an empty directory.

</para>

</listitem>

<listitem>

<para>

Files other than regular files and directories, such as symbolic

links and special device files, are skipped. (Symbolic links

in <filename>pg_tblspc</filename> are maintained.)

</para>

</listitem>

</itemizedlist>

Owner, group and file mode are set if the underlying file system on

the server supports it.

<para>

The backup will include all files in the data directory and tablespaces,

including the configuration files and any additional files placed in the

directory by third parties. Only regular files and directories are allowed

in the data directory, no symbolic links or special device files.

directory by third parties. But only regular files and directories are

copied. Symbolic links (other than those used for tablespaces) and special

device files are skipped. (See <xref linkend="protocol-replication"> for

the precise details.)

</para>

<para>