In response to Thomas Kellerer :
> Marc Lustig, 08.02.2010 11:36:
> >Hi, can we safely put the data from /var/lib/postgresql/8.4/main/ of
> >server x to /var/lib/postgresql/8.3/main/ of server y, considering
> >that the new target machine is running 8.3 whereas the old one ran
> >8.4 ?
>
> No, a dump & restore is required (as stated in the release notes)
>
> You can also try pg_migrator. It was introduced with 8.4 and will upgrade
> the data "in-place" (i.e. without a dump and restore)
I don't believe that pg_migrator can do a downgrade ...
Regards, Andreas
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Andreas Kretschmer
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