Le 27/06/2013 09:16, Cuneyit Kiris a écrit :
> Hi,
>
> If it is possible ,could you please give me some information or
> documentation about upgrading 8.1.18 to 9.0 via slony 1.2.22 . I m using
> also  CentOS 5 ,but I coulnd't find any documentation for CentOS ,by now 
> thank you for that .

Hi,

It is possible.

The installation of Slony with PG 9.0 is not different from installation with
PG 8.1.
When installed, all you have to do is configure a new node.

When everything in sync, you can easily switch between master in 8.1 and slave
in 9.0.

Regards,

-- 
Stéphane Schildknecht
http://www.Loxodata.com
Contact régional PostgreSQL
http://bistri.me/sas