Thanks,
setting the link as non VM networks let me configure the interface as needed.

Regards

On 07/04/2016 04:16 PM, Yevgeny Zaspitsky wrote:
> Infiniband should not be bridged.
> Ovirt tries to build a bridge over a NIC if the network is a VM one. Please
> verify that it isn't.
> 
> On Mon, Jul 4, 2016 at 5:10 PM, Giorgio Biacchi <gior...@di.unimi.it
> <mailto:gior...@di.unimi.it>> wrote:
> 
>     As I said, Infiniband is not ethernet so it cannot be L2 bridged. This is 
> normal
>     and I understand why it can't be done. I'd like to know if there's a way 
> to
>     configure host networking for infiniband link without bridging because is 
> not
>     necessary to have a bridge there. In addition to this, 3.6 behavior was
>     different. Here's all the relevant configuration files generated by 3.6 
> and 4.0:
> 
>     ------------- 3.6 ---------------
> 
>     [root@node3.6]# cat /etc/sysconfig/network-scripts/ifcfg-ib0
>     # Generated by VDSM version 4.17.11-7.gitc0752ac.el7
>     DEVICE=ib0
>     HWADDR=80:00:00:48:fe:80:00:00:00:00:00:00:00:02:c9:03:00:0a:06:9f
>     ONBOOT=yes
>     BOOTPROTO=dhcp
>     MTU=65520
>     DEFROUTE=no
>     NM_CONTROLLED=no
>     IPV6INIT=no
> 
>     [root@node3.6]# cat /var/lib/vdsm/persistence/netconf/nets/ibstorage
>     {
>         "nic": "ib0",
>         "bootproto": "dhcp",
>         "blockingdhcp": true,
>         "bridged": "false",
>         "mtu": "65520"
>     }
> 
>     ---------------------------------
> 
>     ------------- 4.0 ---------------
> 
>     [root@node4.0]# cat /etc/sysconfig/network-scripts/ifcfg-ib0
>     # Generated by VDSM version 4.18.5.1-1.el7.centos
>     DEVICE=ib0
>     BRIDGE=ibstorage
>     ONBOOT=yes
>     MTU=65520
>     NM_CONTROLLED=no
>     IPV6INIT=no
> 
>     [root@node4.0]# cat /var/lib/vdsm/persistence/netconf/nets/ibstorage
>     {
>         "ipv6autoconf": false,
>         "nic": "ib0",
>         "mtu": 65520,
>         "switch": "legacy",
>         "dhcpv6": false,
>         "stp": false,
>         "bridged": true,
>         "defaultRoute": false
>     }
> 
>     [root@node4.0]# cat /var/lib/vdsm/persistence/netconf/nets/ib0
>     {
>         "ipv6autoconf": false,
>         "nic": "ib0",
>         "mtu": 65520,
>         "switch": "legacy",
>         "dhcpv6": false,
>         "stp": false,
>         "bridged": true,
>         "defaultRoute": false
>     }
> 
>     [root@node4.0]# cat /etc/sysconfig/network-scripts/ifcfg-ibstorage
>     # Generated by VDSM version 4.18.5.1-1.el7.centos
>     DEVICE=ibstorage
>     TYPE=Bridge
>     DELAY=0
>     STP=off
>     ONBOOT=yes
>     DEFROUTE=no
>     NM_CONTROLLED=no
>     IPV6INIT=no
>     MTU=65520
> 
>     ---------------------------------
> 
>     So it seems that 4.0 generates more files and wants to bridge an ethernet
>     unbridgeable link. Steps to attempt to configure the connection for 4.0 
> was the
>     same done successfully for 3.6.
> 
>     Thanks again
> 
>     On 07/04/2016 03:25 PM, Arman Khalatyan wrote:
>     > As I remember the IBoIP is not fully implemented Ethernet protocol, it 
> does not
>     > support bridging.
>     >
>     >
>     > ***********************************************************
>     >
>     >  Dr. Arman Khalatyan  eScience -SuperComputing
>     >  Leibniz-Institut für Astrophysik Potsdam (AIP)
>     >  An der Sternwarte 16, 14482 Potsdam, Germany
>     >
>     > ***********************************************************
>     >
>     > On Mon, Jul 4, 2016 at 2:58 PM, Yevgeny Zaspitsky <yzasp...@redhat.com 
> <mailto:yzasp...@redhat.com>
>     > <mailto:yzasp...@redhat.com <mailto:yzasp...@redhat.com>>> wrote:
>     >
>     >     Hello,
>     >
>     >     What's "couple of vdsm hooks"? Could you provide the source code of 
> those?
>     >
>     >     Regards,
>     >     Yevgeny
>     >
>     >     On Mon, Jul 4, 2016 at 1:43 PM, Giorgio Biacchi 
> <gior...@di.unimi.it <mailto:gior...@di.unimi.it>
>     >     <mailto:gior...@di.unimi.it <mailto:gior...@di.unimi.it>>> wrote:
>     >
>     >         Hi list,
>     >         I'm trying a test installation of the new Ovirt Node Image and 
> engine before
>     >         upgrading my 3.6 installation.
>     >
>     >         In my current environment every hypervisor access the NFS 
> shared data
>     >         domain via
>     >         infiniband. With a couple of vdsm hooks I was able to set the 
> infiniband
>     >         link in
>     >         connected mode and set a MTU of 65520. In my case the 
> infiniband link is
>     >         used as
>     >         a common NIC, I don't use RDMA, only IP over infiniband to 
> access the
>     >         data domain.
>     >
>     >         Now, when I attempt to setup host networking, the system try to 
> bridge the
>     >         connection "ibstorage" (defined in networks tab) with ib0 
> device. But a non
>     >         ethernet device cannot be bridged that way and host networking 
> setup fails.
>     >
>     >         Any idea or suggestion? With 3.6 (node and engine) all was fine.
>     >
>     >         Thanks
>     >         --
>     >         gb
>     >
>     >         PGP Key: http://pgp.mit.edu/
>     >         Primary key fingerprint: C510 0765 943E EBED A4F2 69D3 16CC 
> DC90 B9CB 0F34
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> 
>     --
>     gb
> 
>     PGP Key: http://pgp.mit.edu/
>     Primary key fingerprint: C510 0765 943E EBED A4F2 69D3 16CC DC90 B9CB 0F34
> 
> 

-- 
gb

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