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| -rw-r--r-- | doc/src/sgml/backup.sgml | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/doc/src/sgml/backup.sgml b/doc/src/sgml/backup.sgml index 9332c0d21f5..099483766e0 100644 --- a/doc/src/sgml/backup.sgml +++ b/doc/src/sgml/backup.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.54.4.4 2005/04/18 01:29:08 momjian Exp $ +$PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.54.4.5 2005/04/19 01:40:02 momjian Exp $ --> <chapter id="backup"> <title>Backup and Restore</title> @@ -688,7 +688,13 @@ SELECT pg_start_backup('label'); <programlisting> SELECT pg_stop_backup(); </programlisting> - If this returns successfully, you're done. + This should return successfully. + </para> + </listitem> + <listitem> + <para> + Once the WAL segment files used during the backup are archived as part + of normal database activity, you are done. </para> </listitem> </orderedlist> @@ -735,13 +741,15 @@ SELECT pg_stop_backup(); <literal>0000000100001234000055CD.007C9330.backup</>. (The second number in the file name stands for an exact position within the WAL file, and can ordinarily be ignored.) Once you have safely archived - the WAL segment files used during the file system backup (as - specified in the backup history file), you can delete all archived - WAL segments with names numerically less. Keep in mind that only - completed WAL segment files are archived, so there will be delay - between running <function>pg_stop_backup</> and the archiving of - all WAL segment files needed to make the file system backup - consistent. + the file system backup and the WAL segment files used during the + backup (as specified in the backup history file), all archived WAL + segments with names numerically less are no longer needed to recover + the file system backup and may be deleted. However, you should + consider keeping several backup sets to be absolutely certain that + you are can recover your data. Keep in mind that only completed WAL + segment files are archived, so there will be delay between running + <function>pg_stop_backup</> and the archiving of all WAL segment + files needed to make the file system backup consistent. </para> <para> The backup history file is just a small text file. It contains the |