diff options
Diffstat (limited to 'doc/src/sgml/wal.sgml')
| -rw-r--r-- | doc/src/sgml/wal.sgml | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index 52b5b8f793b..4fc09761115 100644 --- a/doc/src/sgml/wal.sgml +++ b/doc/src/sgml/wal.sgml @@ -194,10 +194,8 @@ </listitem> <listitem> <para> - Data pages are not currently checksummed by default, though full page images - recorded in WAL records will be protected; see <link - linkend="app-initdb-data-checksums"><application>initdb</application></link> - for details about enabling data checksums. + Data pages are checksummed by default, and full page images + recorded in WAL records are always checksum protected. </para> </listitem> <listitem> @@ -238,15 +236,15 @@ </indexterm> <para> - By default, data pages are not protected by checksums, but this can - optionally be enabled for a cluster. When enabled, each data page includes + By default, data pages are protected by checksums, but this can + optionally be disabled for a cluster. When enabled, each data page includes a checksum that is updated when the page is written and verified each time the page is read. Only data pages are protected by checksums; internal data structures and temporary files are not. </para> <para> - Checksums are normally enabled when the cluster is initialized using <link + Checksums can be disabled when the cluster is initialized using <link linkend="app-initdb-data-checksums"><application>initdb</application></link>. They can also be enabled or disabled at a later time as an offline operation. Data checksums are enabled or disabled at the full cluster |