On Monday, November 05, 2012 05:15:41 AM salah jubeh wrote: > Hello, > > I have the following scenario, I would like to upgrade a database server > from 8.3 to 9.1. The upgrade includes also a hardware upgrade. > > > I would like to have the following > > 1. Make sure that the upgraded server and the old server have the same > snapshot of data. 2. Make sure that the old server data is accessible for > read only after taking the data snapshot until making the new server alive > and tested > > > The lock database command is not yet implemented, so what are the ways to > hack this command. Also, I need to make sure that the server is down for > very short time, so is there a better way than using pg_dump and pg_restore > for different database server versions ? > > Regards Using Slony to assist in your migration will meet all your requirements: http://slony.info/ You should read the documentation thoroughly. And try everything out on test machines before doing it to your production servers. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
