On Fri, Feb 22, 2019 at 2:03 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > Bruce Momjian <br...@momjian.us> writes: > > On Thu, Feb 21, 2019 at 09:31:32PM -0500, Stephen Frost wrote: > >> * Bruce Momjian (br...@momjian.us) wrote: > >>> There was too much concern that users would accidentally start the old > >>> server at some later point, and its files would be hard linked to the > >>> new live server, leading to disaster. > > I think this is a great solution. Knowing that neither a human nor a supervisor can mess up the hardlinks is something I really appreciate.
> >> Sure, I understand that concern, just wish there was a better approach > >> we could use for "DO NOT START THIS SERVER" rather than moving of the > >> pg_control file. > > > As ugly as it is, I have never heard of a better solution. > > system("rm -rf $OLDPGDATA") ... nah, that is not a better idea. > > regards, tom lane >