Re: FreeBSD iscsi target

Which NIC?

-a

On 3 July 2014 03:29, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote:
> On Thu, Jul 03, 2014 at 10:35:55AM +0100, Nikolay Denev wrote:
>
>> >> I found this white paper useful in understanding how this works :
>> >> http://www.cisco.com/c/en/us/products/collateral/switches/nexus-3000-series-switches/white_paper_c11-726674.pdf
>> >
>> > In real world "Reality is quite different than it actually is".
>> > http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-6500-series-switches/white_paper_c11-696669.html
>> >
>> > See "Packet Path Theory of Operation. Ingress Mode".
>> >
>>
>> Interesting, however this seems like implementation specific detail,
>> and not limitation of native 40Gbit ethernet.
>
> I see some perfomance tests on solaris and 40G link.
> In this test perfomance limited about 10Gbit per flow.
> May be I found links to this test.
>
> May be some NIC's implementation specific detail also limited
> performance per flow.
>
>> Still, it's something that one must be aware of (esp when dealing with
>> Cisco gear :) )
>>
>> I wonder why they are not doing something like this :
>> http://blog.ipspace.net/2011/04/brocade-vcs-fabric-has-almost-perfect.html
>>
>> --Nikolay
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