[Beowulf] Multiple NIC on a node

Geoff Jacobs gdjacobs at gmail.com
Mon Jan 7 18:15:47 EST 2008


Nathan Moore wrote:
> Hi,
> 
> I've aquired a few clusternodes that have multiple ethernet jacks.  One
> the system-config-network applet I see several different adaptors (eg
> eth0 and eth1).  Right now, I've got a many more free ports on my switch
> than I have nodes in my cluster, so I'm wondering if there's some
> performance benefit from hooking up the second NIC. 
> 
> Do any of you have a tutorial on multiple NIC's per compute node that
> you'd be willing to share?  I'm assigning static IP's with named, and
> cocurrently maintaining /etc/hosts files on each machine with the full
> cluster map.  Do I "just" assign a secon IP address for the second eth1
> jack?  Is there more to it? 

Is your switch capable of trunking, or can it be configured into
multiple VLANs?

-- 
Geoffrey D. Jacobs

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