[Lustre-discuss] lustre routing between two IP networks (public private)
ball at umich.edu
Tue Jan 4 07:05:39 PST 2011
I forgot to mention, the mgs also has addresses on both networks.
options lnet networks="tcp0(eth0),tcp2(eth2)"
The MDT does NOT have addresses on both networks.
On 1/4/2011 10:00 AM, Bob Ball wrote:
> We have 3 machines that live on both the private network where the bulk
> of the lustre clients and all the servers are located, and several
> clients on the second network of the 3 machines that also need to access
> the lustre file system. We do this via lnet routing. From the
> modprobe.conf on each machine:
> Typical clients on the "primary" network:
> options lnet networks=tcp0(eth0)
> The 3 router machines:
> options lnet networks=tcp0(eth0),tcp2(eth1.562) forwarding="enabled"
> The remote clients:
> options lnet networks="tcp2(eth0)" routes="tcp0
> 141.211.101.[9,11,97]@tcp2" check_routers_before_use=1 auto_down=1
> dead_router_check_interval=50 live_router_check_interval=100
> On the OSS machines:
> options lnet networks=tcp0(bond0.4010) routes="tcp2 10.10.1.[50-52]@tcp0"
> On 1/4/2011 9:48 AM, DEGREMONT Aurelien wrote:
>> I'm not sure at all that IP-based routing will behave correctly with Lustre.
>> What I would advice instead is to used LNET router instead, between your
>> 10.x network and the other one. This will work for sure.
>> Brock Palen a écrit :
>>> Is it possible to use a lustre router to route a lustre file system that is on a different network (ip based) to our private (10.x) network?
>>> Can this be done with a normal NAT?
>>> We have another campuses lustre filesystem we would like to mount on our compute nodes, but the nodes are on a 10.x network,
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