On Mon, Jun 30, 2008 at 03:15:34PM +0200, Thomas Bräutigam wrote: > Why avoid RAID5? I though that would be good? Can you explain this? RAID5 has a lot of disadvantages, especially in terms of performance. .oO(There was a link posted recently...) > Writing in the DB, I add about 5-10 GB of data a day. There is a lot of writing activity going on in the database every day. > What do you recommend how often I should backup the complete database? What storage subsystem do you use? This sounds like you want something like snapshots or similar to do backup. How long do you expect a 1-1.5 TB backup to run? I don't know. My biggest DBs are like 110 GB (compressed dump), 300-400 GB on disk and they are difficult to handle already. Maybe other Postgres admins have more experience with such big DBs. Tino. -- "What we nourish flourishes." - "Was wir nähren erblüht." www.craniosacralzentrum.de www.forteego.de
