On 13 Mar 2013, at 15:33, John Lister <john.lis...@kickstone.com> wrote:
> On 12/03/2013 21:41, Gregg Jaskiewicz wrote: >> >> Whilst on the hardware subject, someone mentioned throwing ssd into the mix. >> I.e. combining spinning HDs with SSD, apparently some raid cards can use >> small-ish (80GB+) SSDs as external caches. Any experiences with that ? >> > The new LSI/Dell cards do this (eg H710 as mentioned in an earlier post). It > is easy to set up and supported it seems on all versions of dells cards even > if the docs say it isn't. Works well with the limited testing I did, switched > to pretty much all SSDs drives in my current setup > > These cards also supposedly support enhanced performance with just SSDs > (CTIO) by playing with the cache settings, but to be honest I haven't noticed > any difference and I'm not entirely sure it is enabled as there is no > indication that CTIO is actually enabled and working. > SSDs have much shorter life then spinning drives, so what do you do when one inevitably fails in your system ? -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
