Re: Making an app unviewable during system maintainance

> > Don't take the database down for backups. > > > > I can think of no logical reason why you'd want to kill the DB to back > > it up, since it's just a big "read" operation. > > Referential integrity might be a reason. Good point, though if this is a concern, the OP will probably use the built-in enforcement of referential integrity and transaction support of whatever database they are running. *cough* postgresql ;) > However, I agree -- don't back up the database directly -- use whatever > utilities the database provides to dump the database, then back up the > dump. Depending on how well the dump utility works, you might be able > to do away with the downtime. mysql has mysqldump, and postgresql has pg_dump. Both of these are pretty much all you'd need, and neither requires any site downtime. --------------------------------------------------------------------- michal migurski- contact info and pgp key: sf/ca http://mike.teczno.com/contact.html