> *) boss has decided that a failover solution is important and should > be prioritied in 2007 ... even to the point where he's willing to of > throw money at it. If anyone have experiences with failover-solutions > built over a SAN, and can do consultancy services for us, please send > me a private email ;-) > > **) We have had problems with transactions doing "if not exists in > database then insert". Two such transactions can be run synchronously > and result in duplicates. You have a couple of options. 1. Slony - Trigger based 2. Mammoth Replicator - Transaction Log based 3. PITR log shipping on timed intervals Sincerely, Joshua D. Drake > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings > -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/ Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate