On Mon, 2010-07-19 at 12:06 -0500, Bob Friesenhahn wrote:
> On Mon, 19 Jul 2010, Garrett D'Amore wrote:
> >
> > With those same 14 drives, you can get 7x the performance instead of 2x
> > the performance by using mirrors instead of raidz2.
>
> This is of course constrained by the limits of the I/O channel.
> Sometimes the limits of PCI-E or interface cards become the dominant
> factor.
>
> Bob
Of course. ;-) One *hopes* that if you have direct connects (not via
expanders) that each of the sata channnels has its own channel to the
hba, and the hba has enough pcie bandwidth to support all of its
channels being used fully. This may or may not be the case in you
system.
- Garrett
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