Hp Storage Mirroring Software User Manual Page 83

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Installation Page 82 of 677
Configuring your Windows 2008 cluster
The default quorum resource in a Windows 2008 environment will vary depending on
your configuration (number of nodes, shared disks, and so on). The recommended
quorum resource to use for GeoCluster is the Node and File Share Majority. There are
other quorum types available. Review the following list to determine which quorum is
appropriate for your environment.
l Node Majority—This quorum is recommended for clusters with an odd number of
nodes. The cluster can handle failures of half of the nodes (rounding up) minus
one and still stay online.
l Node and Disk Majority—This quorum is recommended for clusters with an even
number of nodes. The cluster can handle failures of half of the nodes (rounding
up), as long as the witness disk remains online, and still stay online. If the witness
disk fails, the cluster can handle failures of only half of the nodes (rounding up)
minus one and still stay online.
l Node and File Share Majority—This quorum is recommended for clusters with
special configurations, such as GeoCluster. The cluster can handle failures of half
of the nodes (rounding up), as long as the witness share remains online, and still
stay online. If the witness share fails, the cluster can handle failures of only half of
the nodes (rounding up) minus one and still stay online.
l No Majority: Disk Only—This quorum is not usually recommended. The cluster
can handle failures of all nodes except one and still stay online.
Use the following instructions as a guideline for configuring your Windows 2008 cluster.
See your Windows cluster documentation as a complete reference.
1. Login with an account that has administrative rights on the domain and the local
machine.
2. Create the cluster, if it is not already created. See your Windows documentation for
instructions on how to create a cluster.
3. Configure a Node and File Share Majority quorum. See your Windows
documentation for instructions on how to configure the quorum.
4. If you are going to be using Hyper-V, install the Hyper-V server role on all nodes in
the cluster. Make sure that you have the required Microsoft hotfixes applied,
including KB958065 which is a failover clustering hotfix and KB950050.
5. Install GeoCluster on each node of the cluster.
6. If desired, you can install GeoCluster on non-clustered client machines if you want
to use Cluster Administrator to control the GeoCluster resources. Install
GeoCluster, selecting the Client Components Only installation option.
7. If you are going to be using Hyper-V, create your virtual machine from within
Hyper-V. Be sure to leave the virtual machine off.
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