Re: Restore Database From data folder

yogesh@[EMAIL PROTECTED]
 wrote:
> i have a backup of data folder of my old  postgresql database on 7.54
>
> now i want to restore my complete database from data folder in ver 8.1
>
I assume you mean you wish to upgrade your 7.4 installation of 
PostgreSQL to PostgreSQL 8.1 ?

The short answer:

You'll need to start the 7.4 version of the server, with your old data 
directory and run the version of 'pg_dumpall' that comes with PostgreSQL 
8.1 .  Once you've generated a dump and saved it, you can install 8.1 
and then use the 'psql' utility to re-load the dump on 8.1 .  The 7.4 
data directory isn't compatible with 8.1, so you'll need to perform the 
dump and subsequent restore.

You'll probably also want to go through the 7.4 pg_hba.conf and 
postgresql.conf files and ****t over any changes you need that are 8.1 
compatible.

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