Bruce Momjian wrote: > pg_migrator (not pg_upgrade) has been used by many people to migrate > from 8.3 to 8.4. I just helped someone yesterday with a migration. > pg_migrator threw an error because they had reindexed pg_largeobject, > and pg_migrator was not prepared to handle that. They also had an old > cluster with a higher autovacuum_freeze_max_age than the new cluster, > causing autovacuum freeze to run during the upgrade and remove clog > files. These are unusual cases, so I assume there are many people who > successfully use pg_migrator that I never hear from. > > Both of these issues are fixed in pg_migrator 8.4.6, released yesterday. > I also talked to Alvaro about using fixed oids to remove these migration > restrictions in 8.5: > > o a user-defined composite data type > o a user-defined array data type > o a user-defined enum data type > > So, pg_migrator is a work in progress. It current requires migration > testing and should be used by experienced Postgres users. Someday > pg_migrator will be easier to use and more reliable. Oh, and pg_migrator 8.4.6 works for migrations from 8.4 to 8.5 CVS. -- Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general