Hi,
> is it safe to move the PGDATA directory from one system to another when migrating from one operating system to another?
> For example: migrating from Debian to RHEL, or from RHEL4 to RHEL5?
> The database is of course shutdown properly, and the PG major versions match.
> Or is a dump/restore necessary in these cases?
Besides the other reply, take into account little- versus bigendian
changes if you switch hardware.
But just out of curiosity: why propose against a dump/restore ? I mean:
when I upgrade between major releases I dump as well, as it is
recommended. I never ran into trouble, you know.
Regards,
Robert