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System Center 2012 R2 VMM and guest NLB RRS feed

  • Question

  • Hello,

    We have System Center 2012 R2 Virtual Machine manager deployed. Here is one issue related to the networking. In case of deploying guest 2 node NLB cluster (unicast mode) in VM properties we see that IP and MAC address settings are changed to Dynamic. As result when we click on Connection details there is no information. Is it by design? Is there any way of deploying NLB clusters without VIP and Service templates? If you say no I have 2 questions: 1. How to migrate existing guest NLB cluster into VMM and have Connection details information; 2. How about using Generation 2 vm's in service templates?

    Thank you


    Tuesday, December 23, 2014 7:49 PM

All replies

  • 1) You can't migrate anything into a service template in VMM today. If you want to leverage service templates, you must deploy the complete service using the modeling with services.

    2) Gen2 VMs are not supported in service templates nor VM roles per now. 

    If you do a refresh of the VMs in VMM, are you able to see anything on the connection details afterwards?


    Kristian (Virtualization and some coffee: http://kristiannese.blogspot.com )

    Monday, December 29, 2014 6:03 AM
    Moderator
  • Refreshing host/vm's did not solve an issue.
    Tuesday, January 13, 2015 1:09 PM
  • How are you deploying your VMs:

    - Using service templates ?

    - Using VM templates ?

    - Scripting or via GUI ?


    Regards, Samir Farhat Infrastructure Consultant

    Thursday, February 26, 2015 9:26 AM
  • Question is how to create NLB guest cluster without service templates. Also how to virtualize NLB cluster into VMM. And also how to use generation 2 vm's in service template.
    Monday, March 2, 2015 4:10 PM
  • GEN2 VMs are not supported in VMM service template till today

    If you don't use service templates, you have to deploy one VM a a time, so you may use power shell scripting to achieve that

    what do you mean by : Also how to visualize NLB cluster into VMM ? You need to know that you must enable MAC spoofing setting in the NICs to be used for NLB.


    Regards, Samir Farhat Infrastructure Consultant

    Tuesday, March 3, 2015 11:34 AM
  • Sorry, I mean virtualize. The main problem is assigning IP addresses. In case of failover cluster there is no problem. Active IP is moving between nodes. NLB works in different way, there are the same IP shared between all nodes. Automatically this IP is not populated by VMM and as result by IPAM. You can manually grant ip address to for example first node but it is not corporate solution. If you deploy NLB cluster as service template there is no problem but how to achieve this goal without templates. For example P2V migration of NLB clusters.
    Tuesday, March 3, 2015 3:03 PM
  • If you deploy a NLB node by node, using VM templates, there's no out-of-the bpx way to create a NLB or a cluster, but you can use :

    - VMM power-shell scripting : You can devlop a script that depoly 2 VMs than configure their IP

    - Run once command that you can add via UI or via poweshell when deploying your VMs

    In the P2V case, this is more tricky. In the case of a cluster or NLB P2V, you can:

    - Place the first NLB/Cluster node in maintenance mode

    - Convert this node using your P2V tool or VMM (before 2012 R2)

    - Verify the network configuration and turn off the maintenance mode so the VM re-join the NLB/Cluster

    - Place the second  (Physical) NLB/Cluster node in maintenance mode

    - Convert this node using your P2V tool or VMM (before 2012 R2)

    - Verify the network configuration and turn off the maintenance mode so the VM re-join the NLB/Cluster

    and so on for all your NLB/Cluster nodes


    Regards, Samir Farhat Infrastructure Consultant

    Tuesday, March 3, 2015 3:54 PM
  • Good try. Thank you but there is one problem. get-scipaddress will show nothing for these nodes. Get-scvirtualnetworkadapter will show nothing as well in ipv4 address field and it is an issue. Address assignment will show dynamic. Only one way is to grant-scipaddress manually to these nodes and you can assign NLB cluster shared IP address only once but this IP is being shared within all NLB cluster members.
    Tuesday, March 3, 2015 5:18 PM
  • Are you using VMM IP pools?

    Regards, Samir Farhat Infrastructure Consultant

    Tuesday, March 3, 2015 5:26 PM
  • Yes, of course I am. Does anyone use VMM without IP pools?
    Tuesday, March 3, 2015 5:49 PM
  • About my second question. I believe UR6 brings ability to add gen2 VM's into service.

    https://support.microsoft.com/en-us/kb/3050317 

    By using this feature, you can deploy multi-tier services and choose the virtual machine generation for individual tiers.

    Monday, May 25, 2015 4:54 PM