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You need to install updates on the Hyper-V host servers

An organization has private and public cloud resources. The organization has Windows Server 2012 R2 servers
that have the Hyper-V role installed. You have one four-node cluster of Hyper-V host servers. You use System
Center 2012 R2.
The virtual machines that run on the cluster must remain online when you install updates on the Hyper-V host
servers.
You need to install updates on the Hyper-V host servers.
What should you do?

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A.
Configure Windows Serve’ Update Services (WSUS) to provide updates to the Hyper-V host servers in the
cluster.

B.
Add all the virtual machines hosted on the cluster to a collection in System Center 2012 R2 Configuration
Manager. Deploy updates to the collection.

C.
Use the Cluster-Aware Updating (CAU) wizard.

D.
Configure Windows Update on the Hyper-V host servers to download updates from Microsoft Update.

13 Comments on “You need to install updates on the Hyper-V host servers”

  5. tvojahlava says:

    system center 2012 r2 is a complete package so if it is put this way you have both operations manager and virtual machine manager. you can add a wsus to VMM and then configure update baselines.
    baselines can be applied to clusters. then from vmm you can choose the cluster to remediate then

    In the resource list, select the host cluster by its cluster name.

    If you select the cluster by its cluster name, VMM assumes you want to orchestrate remediation of the hosts in the cluster, and displays cluster remediation options. If you select individual hosts in the cluster, VMM assumes that you want to update them as you would a stand-alone host, and does not display cluster remediation options.

    therefore A is the right answer IMHO




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    1. robber says:

      So in what world would A do this? It’s just downloading the updates to the Hyper-V hosts. No mention of VMM whatsoever.

      Definitely C (maybe “Create orchestrated updates of Hyper-V host clusters by using System Center 2012 R2 Virtual Machine Manager (VMM)” would be a better answer, but it is not there, is it?)




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  9. Bill says:

    ali.T you rare wrong!
    CAU tools are a part of Failover Clustering Tools. As Failover Clustering Tools are by default auto-selected for installation when the Failover Clustering feature is installed on a cluster node, the cluster nodes most likely already have CAU tools pre-installed.

    http://blogs.technet.com/b/filecab/archive/2012/05/17/starting-with-cluster-aware-updating-self-updating.aspx

    Correct answer must be C, as it answers all requirements:
    http://technet.microsoft.com/en-us/library/hh831694.aspx

    CAU is an automated feature that enables you to update clustered servers with little or no loss of availability during the update process. During an Updating Run, CAU transparently performs the following tasks:

    -Puts each node of the cluster into node maintenance mode
    -Moves the clustered roles off the node (roles AKA VMs)
    -Installs the updates and any dependent updates
    -Performs a restart if necessary
    -Brings the node out of maintenance mode
    -Restores the clustered roles on the node (roles AKA VMs)
    -Moves to update the next node




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  10. tuxbatman says:

    The answer is C

    Cluster Aware Updating (CAU)
    Moving not only virtual machines to other nodes, it does also move other cluster roles and cluster disks to other nodes
    Cluster Aware Updating can use different update sources (Windows Update, Microsoft Update, WSUS, SCCM,…)
    You can apply hotfixes via CAU
    Cluster Aware Updating has APIs for third party vendors
    You can do driver or firmware updates via CAU
    You can schedule it via Self-Updating mode
    Run pre- and post-scripts
    Update Approval process over WSUS or SCCM
    Only supporting Windows Server 2012
    Coordination via cluster role




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