[Beowulf] split traffic to two interfaces for two "subnets"

[Sean Dilda]

Yaroslav Halchenko wrote:
>
> I have 25 nodes all on 10.0.0.0/24 network, new file-server (lets call
> it raider) has 2 gigabit ports. I would like to spread the I/O load so
> that
> 
> 10.0.0.16/28 goes through eth1
> the rest 10.0.0.0/24 can go through eth0 (as before)

Instead of trying to put certain nodes on eth0 and certain nodes on 
eth1, have you considered bonding eth0 and eth1 together and letting 
traffic be spread across them like that?  It should automatically 
balance traffic for you.  Plus, if an ethernet port or cable does on the 
storage server when the ports are bonded, all your nodes can still get 
to NFS.
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