<para>

Use checksums on data pages to help detect corruption by the

I/O system that would otherwise be silent. Enabling checksums

may incur a noticeable performance penalty. This option can only

be set during initialization, and cannot be changed later. If

set, checksums are calculated for all objects, in all databases. All

checksum failures will be reported in the <xref

linkend="pg-stat-database-view"/> view.

may incur a noticeable performance penalty. If set, checksums

are calculated for all objects, in all databases. All checksum

failures will be reported in the

<xref linkend="pg-stat-database-view"/> view.

</para>

</listitem>

</varlistentry>