Hey! On 04.03.2012 10:58, Rory Campbell-Lange wrote: > 1U chassis with 8 2.5" disk bays > 2x Intel Xeon E5630 Quad-Core / 4x 2.53GHz / 12MB cache > 8 channel Areca ARC-1880i (PCI Express x8 card) > presumably with BBU (can't see it listed at present) > 2 x 300GB SAS 2.5" disks for operating system > (Possibly also 300GB SATA VelociRaptor/10K RPM/32MB cache > RAID 1 > 4 x 300GB SAS 2.5" storage disks > RAID 10 > 48.0GB DDR3 1333MHz registered ECC (12x 4.0GB modules) > Sorry, no answer for your question and a bit offtopic. Why do you take SAS disks for the OS and not much cheaper SATA ones? Im currently trying to get some informations together on this. Regards, Michi -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance