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Bruce Momjian  committed d854c7d

dummy commit

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File doc/src/sgml/config.sgml

        </para>
 
        <para>
+        For reliable recovery when changing a cluster from
+        <varname>fsync</varname> off to on, it is necessary to force all
+        modified buffers in the kernel to durable storage.  This can be
+        done while the cluster is shutdown or while fsync is on by running
+        <command>initdb --sync-only</command>, running <command>sync</>,
+        unmounting the file system, or rebooting the server.
+       </para>
+
+       <para>
         In many situations, turning off <xref linkend="guc-synchronous-commit">
         for noncritical transactions can provide much of the potential
         performance benefit of turning off <varname>fsync</varname>, without