On Tue, May 22, 2012 at 09:52:30AM +0100, Simon Riggs wrote: > Having pg_upgrade touch data files is both dangerous and difficult to > back out in case of mistake, so I am wary of putting the metapage at > block 0. Doing it the way I suggest means the .meta files would be > wholly new and can be deleted as a back-out. We can also clean away > any unnecessary .vm/.fsm files as a later step.
Pg_upgrade never modifies the old cluster, except to lock it in link mode, so there is never anything to back out. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
