-----Original Message----- From: Bruce Momjian [mailto:bruce@xxxxxxxxxx] Sent: 15 August 2014 17:06 To: Russell Keane Cc: pgsql-general@xxxxxxxxxxxxxx Subject: Re: Upgrading 9.0 to 9.3 - permission denied to pg_upgrade_utility.log On Tue, Aug 12, 2014 at 10:59:16AM +0100, Russell Keane wrote: > > The upgrade works all the way up until the final hurdle where, in > > the pg_upgrade_utility.log the following statement appears: > > > > command: ""C:\Program Files (x86)\PostgreSQL\9.3\bin/initdb" > > --sync-only "D:\ PostgreSQL\9.3\Data" >> "pg_upgrade_utility.log" 2>&1" > > > > syncing data to disk ... initdb: could not open file > > "D:/PostgreSQL/9.3/Data/ > > pg_upgrade_utility.log": Permission denied > > Uh, it would appear you are running pg_upgrade from _inside_ the 9.3 data directory. That should work, but it would probably be better to run it in another directory where you also have write permission. I think the problem is that initdb --sync-only is syncing those files to disk as you are writing to the log file. > > We have had Windows problems of two processes writing to the same file, but that is usually a different error message, e.g. > > * For some reason, Windows issues a file-in-use error if we write data to > * the log file from a non-primary thread just before we create a > * subprocess that also writes to the same log file. One fix is to sleep > * for 100ms. A cleaner fix is to write to the log file _after_ the > * subprocess has completed, so we do this only when writing from a > * non-primary thread. fflush(), running system() twice, and pre-creating > * the file do not see to help. > > I think that returns a "share violation" error. I have applied the attached patch for 9.5 which will generate a clearer error in this case, attached. -- Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. + Thank you once again. Regards, Russell. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general