Re: Postgres on RAID5

Alex Turner <armtuk@gmail.com> writes:

> a 14 drive stripe will max out the PCI bus long before anything else,

Hopefully anyone with a 14 drive stripe is using some combination of 64 bit
PCI-X cards running at 66Mhz...

> the only reason for a stripe this size is to get a total accessible
> size up.

Well, many drives also cuts average latency. So even if you have no need for
more bandwidth you still benefit from a lower average response time by adding
more drives.

--
greg