Re: Advice sought : new database server
От | Steve Crawford |
---|---|
Тема | Re: Advice sought : new database server |
Дата | |
Msg-id | 4F56AC9E.1090500@pinpointresearch.com обсуждение исходный текст |
Ответ на | Re: Advice sought : new database server (Michael Friedl <linux@nicce.at>) |
Список | pgsql-performance |
On 03/04/2012 03:50 AM, Michael Friedl wrote: > 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? > > > Here's Intel's (very general) take. Your OS disks may not justify SAS on performance alone but other aspects may sway you. http://www.intel.com/support/motherboards/server/sb/CS-031831.htm Cheers, Steve
В списке pgsql-performance по дате отправления: