On Dec 21, 2007 8:53 PM, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Hi > > I am trying to upgrade my database from 8.0 to 8.1 and am looking for a > little info/advice. > > This is a production database that we are migrating and it is in CONSTANT > use, so the maintenance window must be small and hopefully mostly off-hours. > > > We use a PITR/LVM snapshot solution for our backups and were hoping to > simply restore the filesystem and startup under 8.1. Obviously this didnt > work, and I know the doc says a conversion is necessary, however I havent > found anything with enough detail to sway me from a better solution than > pg_restore. > > The problem with pg_restore is that our database takes 3+ weeks to restore > from a dump file. This is not an acceptable window for us. ( Approximately > 3 days of this is data + lobs, and the rest indexes and constraints. If we > are doing something wrong here, I am all ears as well ) > > Could anyone point me to the information I am missing or offer some middle > ground solutions? You can try and see if the pg_migrator project helps you . http://pgfoundry.org/projects/pg-migrator/, its still in beta, but IIRC handles relatively simpler scenarios nicely. -- Usama Munir Dar http://www.linkedin.com/in/usamadar Consultant Architect Cell:+92 321 5020666 Skype: usamadar
