Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> The server's messages and the documentation uses all of these terms in
> mixed ways. Maybe we could decide on some preferred terminology and
> adjust the existing texts. Ideas?
Primary/secondary seem like a poor choice because they're such generic
terms. Master/slave is the common terminology for this, I think,
though some might object on grounds of political incorrectness.
If so, master/standby would probably work.
regards, tom lane