Re: new bottleneck section in wiki

[Keld Jørn Simonsen <keld@xxxxxxxx>]

On Wed, Jul 02, 2008 at 12:43:40PM -0400, Justin Piszcz wrote:
> 
> 
> On Wed, 2 Jul 2008, Keld Jørn Simonsen wrote:
> 
> >The 66 MHz 64-bit PCI bus is capable of handling about 4 Gbit/s, or
> >about 500 MB/s. This can also be a bottleneck with bigger arrays, eg a 6
> >drive array will be able to deliver about 500 MB/s, and maybe you want
> >also to feed a gigabyte ethernet card - 125 MB/s, totalling potentially
> >625 MB/s on the PCI bus.
> >
> >The PCI-Express bus v1.1 has a limit of 250 MB/s per lane per dirction,
> >and that limit can easily be hit eg by a 4-drive array.

> Correction, can easily be hit with two veliciraptors.

OK, I added that information. 

Best regards
keld
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