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<!--
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- $PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.77 2006/02/24 14:03:01 momjian Exp $
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+ $PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.78 2006/03/03 22:02:07 momjian Exp $
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-->
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<chapter id="backup">
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<title>Backup and Restore</title>
@@ -19,7 +19,7 @@ $PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.77 2006/02/24 14:03:01 momjian E
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<itemizedlist>
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<listitem><para><acronym>SQL</> dump</para></listitem>
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<listitem><para>File system level backup</para></listitem>
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- <listitem><para>On-line backup </para></listitem>
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+ <listitem><para>Continuous Archiving </para></listitem>
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</itemizedlist>
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Each has its own strengths and weaknesses.
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</para>
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</para>
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</sect1>
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- <sect1 id="backup-online ">
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- <title>On-line backup and point-in-time recovery (PITR)</title>
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+ <sect1 id="continuous-archiving ">
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+ <title>Continuous Archiving and Point-In-Time Recovery (PITR)</title>
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<indexterm zone="backup">
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- <primary>on-line backup </primary>
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+ <primary>continuous archiving </primary>
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</indexterm>
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<indexterm zone="backup">
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</para>
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<para>
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- To recover successfully using an on-line backup, you need a continuous
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+ To recover successfully using continuous archiving (also called "online
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+ backup" by many database vendors), you need a continuous
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sequence of archived WAL files that extends back at least as far as the
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start time of your backup. So to get started, you should set up and test
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your procedure for archiving WAL files <emphasis>before</> you take your
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<function>pg_start_backup</> or <function>pg_stop_backup</>, and
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you will therefore be left to your own devices to keep track of which
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backup dump is which and how far back the associated WAL files go.
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- It is generally better to follow the on-line backup procedure above.
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+ It is generally better to follow the continuous archiving procedure above.
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</para>
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</sect2>
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<sect2 id="backup-pitr-recovery">
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- <title>Recovering with an On-line Backup</title>
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+ <title>Recovering using a Continuous Archive Backup</title>
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<para>
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Okay, the worst has happened and you need to recover from your backup.
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</para>
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</sect2>
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- <sect2 id="backup-online -caveats">
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+ <sect2 id="continuous-archiving -caveats">
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<title>Caveats</title>
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<para>
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- At this writing, there are several limitations of the on-line backup
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+ At this writing, there are several limitations of the continuous archiving
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technique. These will probably be fixed in future releases:
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<itemizedlist>
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