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9.3: mention checksum feature in "29.1. Reliability" 3+ messages / 3 participants [nested] [flat]
* 9.3: mention checksum feature in "29.1. Reliability" @ 2013-08-27 04:31 Ian Lawrence Barwick <[email protected]> 2013-08-27 09:18 ` Re: 9.3: mention checksum feature in "29.1. Reliability" Simon Riggs <[email protected]> 2014-02-01 00:05 ` Re: 9.3: mention checksum feature in "29.1. Reliability" Bruce Momjian <[email protected]> 0 siblings, 2 replies; 3+ messages in thread From: Ian Lawrence Barwick @ 2013-08-27 04:31 UTC (permalink / raw) To: pgsql-docs This page: http://www.postgresql.org/docs/9.3/static/wal-reliability.html says: "Data pages are not currently checksummed, though full page images recorded in WAL records will be protected. Data pages have a 16-bit field available for future use with a data page checksum feature." Patch with correction suggestion attached. Regards Ian Barwick -- Sent via pgsql-docs mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs Attachments: [application/octet-stream] docs-reliability.diff (862B, 2-docs-reliability.diff) download | inline diff: diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index 059697e..4963d28 100644 --- a/doc/src/sgml/wal.sgml +++ b/doc/src/sgml/wal.sgml @@ -193,9 +193,10 @@ </listitem> <listitem> <para> - Data pages are not currently checksummed, though full page images recorded - in WAL records will be protected. Data pages have a 16-bit field available - for future use with a data page checksum feature. + Data pages are not currently checksummed by default, though full page images + recorded in WAL records will be protected. Beginning with PostgreSQL 9.3, + an optional facility is provided to checksum all data pages in a cluster and + report corruption; see the <link linkend="app-initdb-data-checksums"><filename>initdb</filename></link> for further details. </para> </listitem> <listitem> ^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: 9.3: mention checksum feature in "29.1. Reliability" 2013-08-27 04:31 9.3: mention checksum feature in "29.1. Reliability" Ian Lawrence Barwick <[email protected]> @ 2013-08-27 09:18 ` Simon Riggs <[email protected]> 1 sibling, 0 replies; 3+ messages in thread From: Simon Riggs @ 2013-08-27 09:18 UTC (permalink / raw) To: Ian Lawrence Barwick <[email protected]>; +Cc: pgsql-docs On 27 August 2013 05:31, Ian Lawrence Barwick <[email protected]> wrote: > This page: > > http://www.postgresql.org/docs/9.3/static/wal-reliability.html > > says: > > "Data pages are not currently checksummed, though full page images > recorded in WAL records will be protected. Data pages have a 16-bit > field available for future use with a data page checksum feature." > > Patch with correction suggestion attached. Thanks Ian, well spotted. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-docs mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs ^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: 9.3: mention checksum feature in "29.1. Reliability" 2013-08-27 04:31 9.3: mention checksum feature in "29.1. Reliability" Ian Lawrence Barwick <[email protected]> @ 2014-02-01 00:05 ` Bruce Momjian <[email protected]> 1 sibling, 0 replies; 3+ messages in thread From: Bruce Momjian @ 2014-02-01 00:05 UTC (permalink / raw) To: Ian Lawrence Barwick <[email protected]>; +Cc: pgsql-docs On Tue, Aug 27, 2013 at 01:31:45PM +0900, Ian Lawrence Barwick wrote: > This page: > > http://www.postgresql.org/docs/9.3/static/wal-reliability.html > > says: > > "Data pages are not currently checksummed, though full page images > recorded in WAL records will be protected. Data pages have a 16-bit > field available for future use with a data page checksum feature." > > Patch with correction suggestion attached. Modified patch attached and applied. Backpatched to 9.3. Thanks. I removed the mention of 9.3 because that looks odd after a few releases. -- Bruce Momjian <[email protected]> http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. + -- Sent via pgsql-docs mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs Attachments: [text/x-diff] checksum.diff (907B, 2-checksum.diff) download | inline diff: diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml new file mode 100644 index 059697e..c722532 *** a/doc/src/sgml/wal.sgml --- b/doc/src/sgml/wal.sgml *************** *** 193,201 **** </listitem> <listitem> <para> ! Data pages are not currently checksummed, though full page images recorded ! in WAL records will be protected. Data pages have a 16-bit field available ! for future use with a data page checksum feature. </para> </listitem> <listitem> --- 193,202 ---- </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</></link> ! for details about enabling data page checksums. </para> </listitem> <listitem> ^ permalink raw reply [nested|flat] 3+ messages in thread
end of thread, other threads:[~2014-02-01 00:05 UTC | newest] Thread overview: 3+ messages (download: mbox mbox.gz follow: Atom feed) -- links below jump to the message on this page -- 2013-08-27 04:31 9.3: mention checksum feature in "29.1. Reliability" Ian Lawrence Barwick <[email protected]> 2013-08-27 09:18 ` Simon Riggs <[email protected]> 2014-02-01 00:05 ` Bruce Momjian <[email protected]>
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