Hal Rosenstock wrote:
On Tue, 2007-03-13 at 17:30, SEGERS Koen wrote:
I'm trying to resolve an oversubscription problem of 1 server
receiving streams from 4 hosts.
If you connect the server with 4 cables to the switch, it should be
resolved when I define the routes that should be used. But is it
possible to define the routing tables in the subnet manager?
Depends on the SM as to whether this is supported or not. OpenSM
supports the ability to do this as do some vendor SMs.
Maybe just running the fattree routing module is sufficient?
I'm not sure; Yevgeny would be the best to answer this.
What is the fabric topology?
Basically, you can try using fat-tree routing, and if the topology
is not a fat-tree, OpenSM will issue an error message and will use
default routing.
You can get more details from the osm/doc/current-routing.txt
-- Yevgeny
I also saw that it is possible to set the routes by using a file. Can
someone give an example of this?
This capability is documented in the opensm man page. You can obtain
this file via dump_lfts.sh script.
Currently I'm trying a combination of partitioning and linux routing.
Is this a good idea?
What do you mean by Linux routing ? Is this IP routing ?
-- Hal
BTW: we are only interested in SDP and IPoIB. In a previous thread I
discovered that bonding/aggregation/merging is not possible in an
active/active situation. So this doesn't improve our setup.
greetz,
Koen
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