Re: [E1000-devel] Using Intel PRO/1000 MT Quad Port Server Adapter under Linux

[Rik H. <rik...@ya...>]

--- Jesse Brandeburg <jes...@in...>
wrote:

> On Tue, 17 Jan 2006, Rik Herrin wrote:
> > Hi,
> >   We were thinking of purchasing the Intel
> PRO/1000 MT
> > Quad Port Server Adapter and plan on running it
> under
> > Linux.  The idea is to aggregate the 4 ports and
> use
> > jumbo frames to increase throughput for an iSCSI
> > target.  Does anyone know of any issues that I
> should
> > take care of or has anyone used such a setup? 
> Thank
> > you for your time.
> 
> The only caveat to remember is that you're going to
> be trying to push 
> (worst case) up to 8 Gb/s over a single slot with
> all 4 ports.  This is 
> close to the maximum theoretical bandwidth of the
> slot.

Thanks for your input.  Just out of curiosity, what
type of hardware (hard disks + RAID controller) would
get me to this this upper limit?  I'd think that
considering the bandwidth achieved by using 4 ports at
1 GiB cards with jumbo frames would outperform any
hard disk / storage.


> If you're looking for an absolute throughput gain
> you'd be better off with 
> 2 dual port adapters (if you have two pci-x 133/100
> Mhz slots available of 
> course)
> 
> If you're looking to get four ports where you only
> have one slot, then you 
> have to use something like the Quad Port adapter.
> 
> Jesse
> 
> 
>
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