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>Chapter 24. Backup and Restore</H1
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><B
>Table of Contents</B
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><DT
>24.1. <A
HREF="backup-dump.html"
><ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
> Dump</A
></DT
><DD
><DL
><DT
>24.1.1. <A
HREF="backup-dump.html#BACKUP-DUMP-RESTORE"
>Restoring the Dump</A
></DT
><DT
>24.1.2. <A
HREF="backup-dump.html#BACKUP-DUMP-ALL"
>Using <SPAN
CLASS="APPLICATION"
>pg_dumpall</SPAN
></A
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><DT
>24.1.3. <A
HREF="backup-dump.html#BACKUP-DUMP-LARGE"
>Handling Large Databases</A
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>24.2. <A
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>File System Level Backup</A
></DT
><DT
>24.3. <A
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>Continuous Archiving and Point-in-Time Recovery (PITR)</A
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>24.3.1. <A
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>Setting Up WAL Archiving</A
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><DT
>24.3.2. <A
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>Making a Base Backup</A
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><DT
>24.3.3. <A
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>Making a Base Backup Using the Low Level API</A
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>24.3.4. <A
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>Recovering Using a Continuous Archive Backup</A
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>24.3.5. <A
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>Timelines</A
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><DT
>24.3.6. <A
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>Tips and Examples</A
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>24.3.7. <A
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>Caveats</A
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><P
>  As with everything that contains valuable data, <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
  databases should be backed up regularly. While the procedure is
  essentially simple, it is important to have a clear understanding of
  the underlying techniques and assumptions.
 </P
><P
>  There are three fundamentally different approaches to backing up
  <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> data:
  <P
></P
></P><UL
><LI
><P
><ACRONYM
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>SQL</ACRONYM
> dump</P
></LI
><LI
><P
>File system level backup</P
></LI
><LI
><P
>Continuous archiving</P
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><P>
  Each has its own strengths and weaknesses; each is discussed in turn
  in the following sections.
 </P
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