[ofa-general] ibnetdiscover

Hal Rosenstock hal.rosenstock at gmail.com
Wed Aug 8 10:46:02 PDT 2007


On 8/8/07, Bernd Schubert <bs at q-leap.de> wrote:
> On Wednesday 08 August 2007 13:50:36 Hal Rosenstock wrote:
> > > Sorry, but I have no idea how the output of smpquery should help me.
> >
> > I was asking for smpquery nodedesc rather than switchinfo but I can
> > see from the ibnetdiscover output what the answer is. It is what I
> > originally said: that the NodeDescriptions of both those switches are
> > the same.
>
> I see.
>
>
> [...]
>
> > > Unfortunately I have no idea. The system is not located near to us and
> > > its rather difficult to ask our customer, since ibnetdiscover shows the
> > > wrong switch names. I will try anyway later on this day.
> >
> > Names are not the only alternative. There are several ways to deal with
> > this.
>
> I have patched ibnetdiscover now. One can now create a file /etc/ib.id (e.g.
> by adding the value of /sys/class/infiniband/*/node_guid to it and
> ibnetdiscover will then also output the corresponding hostname (or whatever
> the admin wishes to assign to this id).

There's a switch map implemented for this purpose.

-- Hal

>
> So the output will now read
>
> #
> # Topology file: generated on Wed Aug  8 19:01:22 2007
> #
> # Max of 5 hops discovered
> # Initiated from node 0002c90200401338 port 0002c90200401339
>
> vendid=0x2c9
> devid=0xb924
> sysimgguid=0xb8cffff0024ef
> switchguid=0xb8cffff0024ef
> Switch  24 "S-000b8cffff0024ef"         # "MT47396 Infiniscale-III Mellanox Technologies (mts2400)" base port 0 lid 154 lmc
>  0
> [24]    "S-0002c9010befe970"[2]         # "MT47396 Infiniscale-III Mellanox Technologies (mts14400-1-master)" lid 138
> [23]    "S-0002c9010befe970"[1]         # "MT47396 Infiniscale-III Mellanox Technologies (mts14400-1-master)" lid 138
> [22]    "H-0002c902004013c0"[1]         # "MT23108 InfiniHost Mellanox Technologies (ha-beo-1)" lid 4
>
>
> and an example ib.id file
>
> mts2400  000b8cffff0024ef
> mts14400-1-master 0002c9010befe970
> mts14400-2-master 000b8cffff002456
> mts-1   0002c9010befaae0
> mts-2   0002c9010c7341f0
>
> I will post the patch shortly (still need to add an optional different
> filename then /etc/ib.id). Anyway, do already wish to have something
> differently when you look on the new output?
>
>
> Cheers,
> Bernd
>
>
> --
> Bernd Schubert
> Q-Leap Networks GmbH
>



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