2010/7/13 Silvio Brandani <silvio.brandani@xxxxxxxxxxx>: > We need to upgrade the postgres running on our production system under Red > Hat Enterprise Linux Server release 5.1 from version 8.1.21 to version > 8.3.6. > > we could have a stop/maintenance window of 3/4 our the sum of size of > databases is around 1G . > Which is the best practice to execute such upgrade with possible rollback > operation to gain in 3/4 hour this job ?? > Any suggestion higly appreciated We use slony to upgrade in place. total downtime is measured in seconds, minutes at the most. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin