index af06249203a19da93aea5d9ea2dddfe47281701d..f2c06c8b2af0cafcfcbf2d3a330687609d89d2a0 100644 (file)
<!--
-$PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.47 2004年08月29日 21:08:47 tgl Exp $
+$PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.48 2004年09月30日 10:30:10 neilc Exp $
-->
<chapter id="backup">
<title>Backup and Restore</title>
@@ -950,13 +950,17 @@ restore_command = 'cp /mnt/server/archivedir/%f %p'
storage formats. For example, releases 7.0.1, 7.1.2, and 7.2 are
not compatible, whereas 7.1.1 and 7.1.2 are. When you update
between compatible versions, you can simply replace the executables
- and reuse the data area on disk. Otherwise you need to
- <quote>back up</> your data and <quote>restore</> it on the new
- server, using <application>pg_dump</>. (There are checks in place
- that prevent you from doing the wrong thing, so no harm can be done
- by confusing these things.) The precise installation procedure is
- not the subject of this section; those details are in <xref
- linkend="installation">.
+ and reuse the data area on disk. Otherwise you need to <quote>back
+ up</> your data and <quote>restore</> it on the new server, using
+ <application>pg_dump</>. There are checks in place that prevent you
+ from using a data area with an incompatible version of
+ <productname>PostgreSQL</productname>, so no harm can be done by
+ confusing these things. It is recommended that you use the
+ <application>pg_dump</> program from the newer version of
+ <productname>PostgreSQL</> to take advantage of any enhancements in
+ <application>pg_dump</> that may have been made. The precise
+ installation procedure is not the subject of this section; those
+ details are in <xref linkend="installation">.
</para>
<para>