On Wed, 2004-07-28 at 17:56, Alan Cox wrote:
On Tue, Jul 27, 2004 at 09:43:34PM -0600, Mark Lane wrote:
> I agree that in certain situations you may get better twice the performance
> may have to do more seeking than two separate drives but on a benchmark test
> like bonnie++ the average is not going to be twice a single drive. And he was
> talking about benchmarks.
With dual PCI 64/66 cards you'll get about 1.5 * single drive it appears from
some quick playing
if you really want you can get 2x but it involves a disk-layout change
(unfortunately the linux raid1 layout isn't designed for getting > 1x
throughput for single threaded reads)
small change... but.. well the pain of a layout change is probably not
worth it