From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Coulter, Susan K" Subject: Re: rdma-core 12 breaks libibverbs ABI Date: Tue, 31 Jan 2017 18:37:58 +0000 Message-ID: References: <1485446147.4194.4.camel@profitbricks.com> <20170126171325.GA16562@obsidianresearch.com> <20170126173548.GA15006@infradead.org> <20170126180926.GB20330@obsidianresearch.com> <20170126181113.GA8679@infradead.org> <20170126202330.GX6005@mtr-leonro.local> <1828884A29C6694DAF28B7E6B8A82373AB0E15AD@ORSMSX109.amr.corp.intel.com> <20170127010452.GA7826@obsidianresearch.com> <1828884A29C6694DAF28B7E6B8A82373AB0E1609@ORSMSX109.amr.corp.intel.com> <41e74ed7-fd8d-89cf-2c79-b99a8d786fac@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: <41e74ed7-fd8d-89cf-2c79-b99a8d786fac-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Content-Language: en-US Content-ID: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Doug Ledford Cc: "Hefty, Sean" , Jason Gunthorpe , Leon Romanovsky , Christoph Hellwig , Benjamin Drung , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "Weiny, Ira" List-Id: linux-rdma@vger.kernel.org > On Jan 27, 2017, at 7:32 AM, Doug Ledford wrote: > > On 1/26/2017 8:17 PM, Hefty, Sean wrote: >>> - Ship libibverbs.rpm with the updated driver and matched libibverbs >>> This is pretty easy, I probably would recommend this. >> >> This has issues if there are multiple providers present. Maybe that doesn't happen in non-testing environments. I wonder if the distros would agree with this approach. > > I don't know how much I would rely on the belief that mixed environments > don't happen outside of testing. In particular, the structure of Lustre > filesystems or the need to gateway from a fabric that one brand of > storage server doesn't support to another one would both seem to be > times when mixed hardware might exist. For that matter, the typical > stock trading RDMA environment mixes IB and Ethernet, maybe in the > future it will have OPA in there too? This is happening now - not in the future. LANL and other DOE labs already have OPA and IB/mlnx on the same host. > I think you are right that it is > the most common, but I don't think we can rely on it being that way all > the time. > > -- > Doug Ledford > GPG Key ID: B826A3330E572FDD > Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD > ================================================== Susan Coulter / HPC-DES Network Capability Lead (505) 667-8425 “Once in a while you get shown the light In the strangest of places if you look at it right” Robert Hunter ================================================== -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html