IBM System Storage DS3500 Introduction And Implementation Manual page 616

Microsoft Cluster configuration with DS3500.fm
Figure 19-23 Select Quorum Configuration
Note: For this two-node cluster, the quorum configuration will be Node and Disk Majority,
the default for a cluster with an even number of nodes. Node and Disk Majority means that
the nodes and the witness disk each contain copies of the cluster configuration, and the
cluster has quorum as long as a majority (two out of three) of these copies are available
5. Select the storage volume (in our example, Cluster Disk 3) that you want to assign as the
disk witness(Quorum).Click Next.
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IBM System Storage DS3500: Introduction and Implementation Guide
Draft Document for Review March 28, 2011 12:24 pm