> But I haven't found pg_controldata on my platform.
> Is it installed with Postgresql 7.1 RPM for Redhat 7.0 ?
Dunno. It's part of our contrib stuff. I thought there would be an RPM
for the contrib stuff for 7.1, but maybe not, or maybe you didn't
install that RPM.
If you don't have it, just looking at $PGDATA/global/pg_control with
"strings" would probably do well enough to let you spot the locale name...
regards, tom lane