Uh...we also met duplicate rows with primary key column through restoring database by pg_basebackup. HAAAA......................... I don't think its an issue with primary key index corruption.
2017-07-01 7:30 GMT+08:00 Adrian Klaver <adrian.kla...@aklaver.com>: > On 06/30/2017 07:33 AM, Timokhin Maxim wrote: > >> Sure, here it is. >> >> pg_basebackup -h servername -R -P -D /data/upgrade/94 -U pgsql -v >> —xlog-method=stream —checkpoint=fast >> >> /usr/pgsql-9.5/bin/initdb -D /data/upgrade/95/ —encoding=utf8 >> —locale=ru_RU.utf8 —lc-collate=ru_RU.utf8 —lc-ctype=ru_RU.utf8 >> —lc-messages=en_US.utf8 >> >> Then updating: >> /usr/pgsql-9.5/bin/pg_upgrade -b /usr/pgsql-9.4/bin/ -d /data/upgrade/94 >> -B /usr/pgsql-9.5/bin/ -D /data/upgrade/95 -k >> >> and so on to 9.6 >> > > The original 9.4 database has the same encoding setup? > > FYI, you can use pg_upgrade to go straight from 9.4 to 9.6. > > https://www.postgresql.org/docs/9.6/static/pgupgrade.html > > "pg_upgrade supports upgrades from 8.4.X and later to the current major > release of PostgreSQL, including snapshot and alpha releases." > > > >> after that server starts normally. >> >> >> -- >> Timokhin 'maf' Maxim >> >> >> > > > -- > Adrian Klaver > adrian.kla...@aklaver.com >