On 10/07/18 17:56, mark wrote: > lejeczek via CentOS wrote: >> hi guys >> >> I wonder if any of you might be using SFN6122F-R7 SFP+ (SFC9000, same >> firmware everywhere, Centos 7.5 too. >> >> I'm trying poor man's setup to get the servers onto 10GbE network. >> >> >> Setup is such that three Dell R815 are connected to each other, each has >> one Solarflare(SFP ports) and each Solarflare is set as net-team(both ports >> on a card are net-team device) with runner in broadcast mode. And it all >> seems to work, they ping each other, iperf okey. >> >> The problem, big problem is that when traffic start to flow between all >> three servers simultaneously, with rsync for example, then!! one box gets >> shoot in the head, hard reset, gone. Every time same one box. >> >> Sure there are some bits that run on that one box that are not on the >> other two. >> >> Now, I know you would normally put it via a switch, but like I said: >> poor man's config, but you would not expect system to die like this >> neither, right? >> > What CPU do they have? > > mark > dell r815 are AMD platform, Opteron 63xx.