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MS Cluster and Networking - How To Add NIC To A VM

Posted on 2013-06-01
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Last Modified: 2013-06-07
Have a MS Cluster solution at a client, inherited did not set it up.

Have a Hyper-V machine (2008 Server as a file server) running on the cluster.

When I RDP or connect to the Hyper-V machine, via 10.0.0.8 it works fine all is well.

Yesterday, this server had a second network interface 10.0.0.7, today it is gone.

I didn't touch it, not sure where it went, but I need to recreate it and I don't know how.

Need some help.
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Question by:tech911
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5 Comments
 
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Expert Comment

by:arnold
ID: 39214175
Did it have a second interface, or a second IP?
I.e. the system with IP 10.0.0.8 is no longer the active node.

Ping 10.0.0.7
Is the IP being reflected as in use or not?

Look at the cluster admin interface to see what IP is the cluster/application IP and the IPs of the nodes.
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Author Comment

by:tech911
ID: 39214856
Not sure on the IP vs. NIC - I have discovered that you can have multiple IP's on a single virtual NIC, but I was not sure that was the "proper" way to do it.

Right now I can ping 10.0.0.8 and it replies perfectly 100% (4 Pings)
When I ping 10.0.0.7, no reply

My NODE IPs are 10.0.0.31 and 32 with my cluster "controller" being 10.0.0.33  (forgive the controller reference, but I didn't know what else to call it.

So... do I add an ip to the current virtual NIC on my Hyper V server or do I add another Virtual NIC, then add the IP to that.

Please advise,
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Accepted Solution

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arnold earned 500 total points
ID: 39214921
What is the 10.0.0.7 supposed to handle?
It could be an application IP I.e. sql


Check you cluster resources to make sure everything you need is online.

Without knowing where that IP is supposed bringing it up might make things worse.
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Author Comment

by:tech911
ID: 39218869
I believe it was just another IP for the VM, I don't think it was dedicated to anything.

The odd part is none of my  users are complaining and since this is just a file server, storing reports and docs, I'm not going to worry about it any further.  At the end of the month the cluster is going away in favor of a less complex/more flexible configuration.

I do appreciate the help, how should I handle the points?
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LVL 78

Expert Comment

by:arnold
ID: 39219364
It is up to you on whether the responses you received help resolve or answer the issue you asked.
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