Date: Thu, 10 Nov 2016 18:22:07 +0000 From: =?utf-8?B?Vmluw61jaXVzIEZlcnLDo28=?= <ferrao@vmio.com.br> To: Justin Clift <justin@postgresql.org> Cc: Meny Yossefi <menyy@mellanox.com>, Mark Bloch <markb@mellanox.com>, "freebsd-infiniband@freebsd.org" <freebsd-infiniband@freebsd.org>, "Yuval Bason" <yuvalba@mellanox.com>, Hans Petter Selasky <hanss@mellanox.com>, "owner-freebsd-infiniband@freebsd.org" <owner-freebsd-infiniband@freebsd.org> Subject: Re: Device hints to put mlx4 on IB mode Message-ID: <BC7C922F-219E-4DAA-8594-F07FCC16EE5D@vmio.com.br> In-Reply-To: <20872ef5058b19aa9793734d82ef3396@postgresql.org> References: <B1D279B3-FD90-4997-84D2-605D7B4AE967@vmio.com.br> <fabc0ffda5574d729360cacca6650267@AM5PR0502MB2916.eurprd05.prod.outlook.com> <DB5PR05MB176572180CC2D5143694F8B7C3B80@DB5PR05MB1765.eurprd05.prod.outlook.com> <D2621C85-E6C0-4A2B-8E6D-A32655DE5ABA@vmio.com.br> <20872ef5058b19aa9793734d82ef3396@postgresql.org>
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Hello Justin, I’m actually building a server-only appliance based on Infiniband on IB Mode for storage network. So the compute nodes isn’t part of the problem. So the problem here is cosmetical, as I said. Dumping error messages every boot is just ugly. V. > On 10 Nov 2016, at 14:20, Justin Clift <justin@postgresql.org> wrote: > > On 2016-11-10 15:39, Vinícius Ferrão wrote: >> Hello Meny, >> Thanks for the input. You’re recommending a driver code change to >> start always on IB mode. This appears to be OK, but it's little >> dangerous. I will need to keep the patches for the drivers/modules if >> anything changes, right? >> Another question, changing the starting mode cannot be done in other >> place? Like the Connect-X3 firmware? If not, since you’re on Mellanox >> can we recommend a better approach from the upstream (mlx) or this >> would be inviable? >> Thanks for your attention and time, it was really helpful. > > As a thought, are you using a config mgmt system? (eg Ansible, Salt, Puppet, etc) > > If so, that would be able to set this correctly (via sysctl) for all the nodes. :) > > + Justin
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