On Thu, Jan 22, 2009 at 3:29 PM, Ibrahim Harrani <ibrahim.harrani@xxxxxxxxx> wrote: > This is a intel server with onboard raid. I will check raid > configuration again tomorrow. Especially Write Cache and Read Ahead > values mentioned at > http://www.intel.com/support/motherboards/server/sb/CS-021019.htm It would be good to use software RAID to see what kind of numbers you get without the built in RAID. Most built in RAID solutions are only suitable for holding the OS and such. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance