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Document use of rsync for file system backups.

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Tino Wildenhain
This commit is contained in:
Bruce Momjian 2005-03-17 05:03:37 +00:00
parent 82c46e5a70
commit ca2d08579e
1 changed files with 10 additions and 1 deletions
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11
doc/src/sgml/backup.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.56 2005/02/25 04:56:01 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.57 2005/03/17 05:03:37 momjian Exp $
-->
<chapter id="backup">
<title>Backup and Restore</title>
@ -373,6 +373,15 @@ tar -cf backup.tar /usr/local/pgsql/data
establish all the frozen snapshots.
</para>
<para>
Another option is to use <application>rsync</> to perform a file
system backup. First, while the database server is running,
run <application>rsync</>, then shut down the database
server and perform a second <application>rsync</>, then
restart the database server. This allows a file system backup to be
performed with minimal downtime.
</para>
<para>
Note that a file system backup will not necessarily be
smaller than an SQL dump. On the contrary, it will most likely be