[ewg] [RESEND] Multiple fabrics and OpenSM

[Hal Rosenstock]

On 3/12/2013 2:56 AM, pavan tc wrote:
> 
> 
> On Wed, Mar 6, 2013 at 7:57 AM, pavan tc <pavan.tc at gmail.com
> <mailto:pavan.tc at gmail.com>> wrote:
> 
>     Hi Hal,
> 
>     On Wed, Mar 6, 2013 at 4:49 AM, Hal Rosenstock
>     <hal at dev.mellanox.co.il <mailto:hal at dev.mellanox.co.il>> wrote:
> 
>         Hi Pavan,
> 
>         On 3/6/2013 1:19 AM, pavan tc wrote:
>         > Hi,
>         >
>         > [Please reply to my mail ID since I am not part of the ewg
>         mailing list]
>         >
>         > I am trying to use OpenSM to manage a simple two node back-to-back
>         > connected node IB network.
>         > But for more bandwidth I have two 1 port cards on each of
>         these and have
>         > connected them as below:
>         >
>         >     +----------------+                   +----------------+
>         >     |                  |  IB LINK 1    |                 |
>         >     |                  |--------------------|                 |
>         >     |  Node 1      |                    |    Node 2   |
>         >     |                  |  IB LINK 2    |                 |
>         >     |                  |--------------------|                 |
>         >     |                  |                    |                 |
>         >     +----------------+                   +----------------+
>         >
>         > If I start OpenSM with no specific conf files, it binds to the
>         first
>         > port and the other one cannot be used.
>         > I need to manually start it on the other with '-g' option if I
>         have to
>         > use it. Most solutions I found on the internet are some flavour of
>         > manually starting the instances. I would like to avoid writing
>         an init
>         > script that starts the required number of opensm instances
>         with the
>         > right parameters.
>         >
>         > I wanted to automate this on every boot. Does opensm offer such
>         > mechanisms via some conf file settings?
> 
>         There is /etc/init.d/opensmd script but it needs some mods to
>         support
>         this dual subnet/OpenSM configuration.
> 
> 
>         What distro are you using ?
> 
> 
>     I am using CentOS 6.2.
> 
> 
> Hello Hal,
> 
> Any more information that I can get on launching multiple OpenSM instances?

I think the description of how to configure multiple OpenSM instances
needs to be followed and then modify the startup script to invoke 2
instances accordingly.

-- Hal

> 
> Thanks,
> Pavan
>  
> 
> 
>     Pavan
> 
>