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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>30.2. Data Checksums</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="wal-reliability.html" title="30.1. Reliability" /><link rel="next" href="wal-intro.html" title="30.3. Write-Ahead Logging (WAL)" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">30.2. Data Checksums</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="wal-reliability.html" title="30.1. Reliability">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="wal.html" title="Chapter 30. Reliability and the Write-Ahead Log">Up</a></td><th width="60%" align="center">Chapter 30. Reliability and the Write-Ahead Log</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="wal-intro.html" title="30.3. Write-Ahead Logging (WAL)">Next</a></td></tr></table><hr /></div><div class="sect1" id="CHECKSUMS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">30.2. Data Checksums</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="checksums.html#CHECKSUMS-OFFLINE-ENABLE-DISABLE">30.2.1. Off-line Enabling of Checksums</a></span></dt></dl></div><a id="id-1.6.17.4.2" class="indexterm"></a><p>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>30.2. Data Checksums</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="wal-reliability.html" title="30.1. Reliability" /><link rel="next" href="wal-intro.html" title="30.3. Write-Ahead Logging (WAL)" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">30.2. Data Checksums</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="wal-reliability.html" title="30.1. Reliability">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="wal.html" title="Chapter 30. Reliability and the Write-Ahead Log">Up</a></td><th width="60%" align="center">Chapter 30. Reliability and the Write-Ahead Log</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="wal-intro.html" title="30.3. Write-Ahead Logging (WAL)">Next</a></td></tr></table><hr /></div><div class="sect1" id="CHECKSUMS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">30.2. Data Checksums</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="checksums.html#CHECKSUMS-OFFLINE-ENABLE-DISABLE">30.2.1. Off-line Enabling of Checksums</a></span></dt></dl></div><a id="id-1.6.17.4.2" class="indexterm"></a><p>
By default, data pages are not protected by checksums, but this can
optionally be enabled for a cluster. When enabled, each data page includes
a checksum that is updated when the page is written and verified each time
@@ -22,4 +22,4 @@
The <a class="link" href="app-pgchecksums.html" title="pg_checksums"><span class="application">pg_checksums</span></a>
application can be used to enable or disable data checksums, as well as
verify checksums, on an offline cluster.
- </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="wal-reliability.html" title="30.1. Reliability">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="wal.html" title="Chapter 30. Reliability and the Write-Ahead Log">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="wal-intro.html" title="30.3. Write-Ahead Logging (WAL)">Next</a></td></tr><tr><td width="40%" align="left" valign="top">30.1. Reliability </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 30.3. Write-Ahead Logging (<acronym class="acronym">WAL</acronym>)</td></tr></table></div></body></html> \ No newline at end of file
+ </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="wal-reliability.html" title="30.1. Reliability">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="wal.html" title="Chapter 30. Reliability and the Write-Ahead Log">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="wal-intro.html" title="30.3. Write-Ahead Logging (WAL)">Next</a></td></tr><tr><td width="40%" align="left" valign="top">30.1. Reliability </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 30.3. Write-Ahead Logging (<acronym class="acronym">WAL</acronym>)</td></tr></table></div></body></html> \ No newline at end of file