On Thu, Aug 16, 2018 at 05:23:58PM -0400, Bruce Momjian wrote:
> On Thu, Aug 16, 2018 at 04:41:04PM -0300, Martín Marqués wrote:
> > 2018-08-16 14:58 GMT-03:00 Bruce Momjian <bruce@momjian.us>:
> > > On Thu, Aug 16, 2018 at 12:36:20PM -0400, Bruce Momjian wrote:
> > >> I think we just need to add an error message to say the server must be
> > >> shut down as a _primary_ server, not as a standby server, and we can
> > >> recommend to read the documentation on the use of rsync.
> > >
> > > Attached is a proposed patch.
> >
> > The logic in the patch is ok, but I'd use a different error message,
> > one that just mentions that you can only upgrade a primary node:
> >
> > The source cluster was shut down while in recovery mode, but
> > pg_upgrade expected a primary node.
>
> Well, if people are hitting the error because they are using pg_upgrade
> on standbys, I assume we should give them some instruction that you
> should not do that, no?
>
> > The error referring to the target node should be similar, although I
> > can't think of how to phrase it without saying "how on earth did you
> > get a standby for the target! RTFM!" :-D
>
> Yeah, for consistency I made it match. ;-)
I have applied the patch, with a better error message that mentions the
documentation:
https://git.postgresql.org/pg/commitdiff/b94f7b5350e97ef0587c0c64aed6eb940d964c06
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
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