On Mar 14, 2011, at 7:36 PM, Alexander Pyhalov wrote: > Am I right that on PostgreSQL upgrade to new major version (e.g. from 9.0 to > 9.1) I'll loose my backups (base backups and wal files will be useless)?
Yes, those Backups would not be valid. > So to go to past after DB upgrade I had to install old version(9.0), recover > data and then upgrade DBMS software... You won't be able to use the Data Directory of New Version for PG 9.0, you have to use your old backup. > What is the preferred way to deal with this issue? I would recommend to take pg_dump backup with Filesystem Backup before any upgrade. Can you explain, why are you upgrading to 9.1? Currently there is no Prduction release of 9.1. Thanks & Regards, Vibhor Kumar EnterpriseDB Corporation The Enterprise PostgreSQL Company vibhor.ku...@enterprisedb.com Blog:http://vibhork.blogspot.com -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general