Log Message:
-----------
Mention Slony as just an example.
Modified Files:
--------------
pgsql/doc/src/sgml:
backup.sgml (r2.106 -> r2.107)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml?r1=2.106&r2=2.107)---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
