On Thu, May 21, 2009 at 8:47 AM, Linos <info@xxxxxxxx> wrote: > Hello, > i have to buy a new server and in the budget i have (small) i have to > select one of this two options: > > -4 sas 146gb 15k rpm raid10. > -8 sas 146gb 10k rpm raid10. > > The server would not be only dedicated to postgresql but to be a file > server, the rest of options like plenty of ram and battery backed cache raid > card are done but this two different hard disk configuration have the same > price and i am not sure what it is better. > > If the best option it is different for postgresql that for a file server i > would like to know too, thanks. I would say go with the 10k drives. more space, flexibility (you can dedicate a volume to WAL), and more total performance on paper. I would also, if you can afford it and they fit, get two small sata drives, mount raid 1 and put the o/s on those. merlin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
