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List:       drbd-user
Subject:    Re: [DRBD-user] Two network cards
From:       Matthias Weigel <matthias.weigel () maweos ! de>
Date:       2008-11-20 16:25:27
Message-ID: 49258F77.1050109 () maweos ! de
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Hello,

you can do this today, but it is a bit complicated.
Configure DRBD to use loopback aliases (e.g. interface lo:2). Configure 
a different IP network on both nodes.
Then use multipath routing to route via both links between the nodes. 
This can be done with multiple static routes. But be careful: Make sure 
that your routes go out of the kernels routing tables, if the interface 
links go down. If the kernel does not remove static routes when the 
interfaces links go down (or you have more than just a crossover cable 
between your nodes), you need a routing protocol (e.g. OSPF, available 
via quagga software).

Best Regards

Matthias

Nathan Stratton schrieb:
> On Thu, 20 Nov 2008, Adrian Chapela wrote:
> 
>> Hello,
>>
>> I have DRBD cluster with two nodes. I want to have network redundancy 
>> between nodes adding a second network card to nodes. I don't know how 
>> can I configure the resources.
> 
> I want to do the same since I have Infiniband and gig E and there is no 
> way to bond them together. However, there is no way to do this today in 
> DRBD.
> 
>> <>
> Nathan Stratton                                CTO, BlinkMind, Inc.
> nathan at robotics.net                         nathan at blinkmind.com
> http://www.robotics.net                        http://www.blinkmind.com
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>
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