[CentOS] 10 Gbit iSCSI

Pasi Kärkkäinen pasik at iki.fi
Thu Jan 14 07:33:57 UTC 2010


On Wed, Jan 13, 2010 at 03:32:05PM -0800, nate wrote:
> Les Mikesell wrote:
> 
> > Are there good 10Gb cards/drivers for the linux side?
> 
> My NAS vendor has deployed many systems with Chelsio 10GbE cards
> in the field, say they are good.
> 
> http://www.chelsio.com/products_10g_adapters.html
> http://service.chelsio.com/ <- drivers/etc
> 
> I have a friend who does 10GbE iSCSI testing for Broadcom, he
> recently started testing iSCSI offload for Broadcom/Linux, while
> the iSCSI(offload) stuff isn't quite so solid yet the regular
> 10GbE stuff is. I think for the most part Broadcom stuff is
> OEM these days.
> 

Interesting. Do you know how big CPU usage difference there is offloaded
vs. non-offloaded? 

10 Gbit iSCSI is very interesting :)

> Intel recently launched a low power 10GbaseT adapter(2nd or
> 3rd generation), I haven't heard much about it but my general
> experience with Intel GbE NICs has been positive
> 
> http://www.intel.com/Products/Server/Adapters/10GbE_AT/10GbE_AT-overview.htm
> 

This seems to based on the older 82598 chipset.
82599 is the newest Intel 10 Gbit chipset.

-- Pasi



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