Date: Thu, 3 Jul 2014 10:28:19 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: Nikolay Denev <ndenev@gmail.com>, Sreenivasa Honnur <shonnur@chelsio.com>, FreeBSD Current <freebsd-current@freebsd.org>, Kevin Oberman <rkoberman@gmail.com> Subject: Re: FreeBSD iscsi target Message-ID: <CAJ-Vmomfi2NmTzEsHfrpd9j1GOkLkXp%2B8pbRLShSOANUB1t21w@mail.gmail.com> In-Reply-To: <20140703102901.GQ5102@zxy.spb.ru> References: <20140701091252.GB3443@brick> <20140701231305.GA37246@zxy.spb.ru> <CAN6yY1t2qDzfeO37p2s_3=vzEVv5C813M0ttqjnM4tJGkkBhyA@mail.gmail.com> <20140702112609.GA85758@zxy.spb.ru> <CAN6yY1uzfjoDfEdti91Ogy11LzT3-5JvLREBdW6ynEOgm0uUPA@mail.gmail.com> <20140702203603.GO5102@zxy.spb.ru> <CAN6yY1von-Z586V=8qs3%2BOfV3oXes380s2GD-149EYWLxws-qA@mail.gmail.com> <CA%2BP_MZE013dv22Sb-rk7ZoiYbCTodmth0d-XpdM6mrpw3WxQmg@mail.gmail.com> <20140703091321.GP5102@zxy.spb.ru> <CA%2BP_MZEJ=Gj4%2B8tKdZHAObjw-_riGLYLFOeiUXj9vn=JkwShmQ@mail.gmail.com> <20140703102901.GQ5102@zxy.spb.ru>
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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 > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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