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1 | 1 | <!-- |
2 | | -$PostgreSQL: pgsql/doc/src/sgml/storage.sgml,v 1.6 2005/04/28 21:47:09 tgl Exp $ |
| 2 | +$PostgreSQL: pgsql/doc/src/sgml/storage.sgml,v 1.7 2005/09/01 20:01:53 tgl Exp $ |
3 | 3 | --> |
4 | 4 |
|
5 | 5 | <chapter id="storage"> |
@@ -34,9 +34,8 @@ files, as shown in <xref linkend="pgdata-contents-table">. In addition to |
34 | 34 | these required items, the cluster configuration files |
35 | 35 | <filename>postgresql.conf</filename>, <filename>pg_hba.conf</filename>, and |
36 | 36 | <filename>pg_ident.conf</filename> are traditionally stored in |
37 | | -<varname>PGDATA</> (although beginning in |
38 | | -<productname>PostgreSQL</productname> 8.0 it is possible to keep them |
39 | | -elsewhere). |
| 37 | +<varname>PGDATA</> (although in <productname>PostgreSQL</productname> 8.0 and |
| 38 | +later, it is possible to keep them elsewhere). |
40 | 39 | </para> |
41 | 40 |
|
42 | 41 | <table tocentry="1" id="pgdata-contents-table"> |
|
90 | 89 | <entry>Subdirectory containing symbolic links to tablespaces</entry> |
91 | 90 | </row> |
92 | 91 |
|
| 92 | +<row> |
| 93 | + <entry><filename>pg_twophase</></entry> |
| 94 | + <entry>Subdirectory containing state files for prepared transactions</entry> |
| 95 | +</row> |
| 96 | + |
93 | 97 | <row> |
94 | 98 | <entry><filename>pg_xlog</></entry> |
95 | 99 | <entry>Subdirectory containing WAL (Write Ahead Log) files</entry> |
@@ -437,7 +441,8 @@ data. Empty in ordinary tables.</entry> |
437 | 441 | The last 2 bytes of the page header, |
438 | 442 | <structfield>pd_pagesize_version</structfield>, store both the page size |
439 | 443 | and a version indicator. Beginning with |
440 | | - <productname>PostgreSQL</productname> 8.0 the version number is 2; |
| 444 | + <productname>PostgreSQL</productname> 8.1 the version number is 3; |
| 445 | + <productname>PostgreSQL</productname> 8.0 used version number 2; |
441 | 446 | <productname>PostgreSQL</productname> 7.3 and 7.4 used version number 1; |
442 | 447 | prior releases used version number 0. |
443 | 448 | (The basic page layout and header format has not changed in these versions, |
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