Date: Wed, 18 Jan 2017 13:03:44 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: "Eugene M. Zheganin" <emz@norma.perm.ru> Cc: freebsd-net@FreeBSD.org, freebsd-stable <freebsd-stable@FreeBSD.org> Subject: Re: decent 40G network adapters Message-ID: <20170118100344.GH78888@zxy.spb.ru> In-Reply-To: <587F39E3.1060608@norma.perm.ru>
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On Wed, Jan 18, 2017 at 02:48:19PM +0500, Eugene M. Zheganin wrote: > Hi. > > Could someone recommend a decent 40Gbit adapter that are proven to be > working under FreeBSD ? The intended purpose - iSCSI traffic, not much > pps, but rates definitely above 10G. I've tried Supermicro-manufactured > Intel XL710 ones (two boards, different servers - same sad story: > packets loss, server unresponsive, spikes), seems like they have a > problem in a driver (or firmware), and though Intel support states this > is because the Supermicro tampered with the adapter, I'm still > suspicious about ixl(4). I've also seen in the ML a guy reported the > exact same problem with ixl(4) as I have found. > > So, what would you say ? Chelsio ? I am use Chelsio and Solarflare. Not sure about you workload -- I am have 40K+ TCP connections, you workload need different tuning. Do you planed to utilise both ports? For this case you need PCIe 16x card. This is Chelsio T6 and Solarflare 9200.home | help
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