On July 27, 2004 02:56 am, Alan Cox <alan@xxxxxxxxxx> wrote: > On Mon, Jul 26, 2004 at 02:05:40AM -0600, Mark Lane wrote: > > single drive and could be slower depending on your hardware. Reads could > > be faster depending on you hardware but twice? Only very highend > > (expensive) SCSI raid cards do that and only theoretically. Practically > > you won't get twice the performance. > > Linux software raid will do read balancing so you may get better > performance and you can easily get more than twice with some loads. In most > setups the PCI bus is the blocker for everything that isnt limited by seek > rate. 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. regards, -- Mark Lane, CET mailto:mark@xxxxxxxxxxxx Hard Data Ltd. http://www.harddata.com T: 01-780-456-9771 F: 01-780-456-9772 11060 - 166 Avenue Edmonton, AB, Canada, T5X 1Y3 --> Ask me about our Excellent 1U Systems! <--
