4.2.2. Explanation of Settings and Controls in the New Cluster and Edit Cluster Windows

4.2.2.1. General Cluster Settings Explained

Figure 4.2. New Cluster window

The table below describes the settings for the General tab in the New Cluster and Edit Cluster windows. Invalid entries are outlined in orange when you click OK, prohibiting the changes being accepted. In addition, field prompts indicate the expected values or range of values.

Table 4.1. General Cluster Settings

Field	Description/Action
`Data Center`	The data center that will contain the cluster.
`Name`	The name of the cluster. This text field has a 40-character limit and must be a unique name with any combination of uppercase and lowercase letters, numbers, hyphens, and underscores.
`Description`	The description of the cluster. This field is recommended but not mandatory.
`CPU Name`	The CPU type of the cluster. Choose one of: Intel Conroe Family Intel Penryn Family Intel Nehalem Family Intel Westmere Family Intel SandyBridge Family (Only available in 3.1) AMD Opteron G1 AMD Opteron G2 AMD Opteron G3 AMD Opteron G4 (Only available in 3.1) All hosts in a cluster must run the same CPU type (Intel or AMD); this cannot be changed after creation without significant disruption. The CPU type should be set for the least powerful host. For example: an Intel SandyBridge host can attach to an Intel Penryn cluster; an Intel Conroe host cannot. Hosts with different CPU models will only use features present in all models.
`Compatibility Version`	The version of Red Hat Enterprise Virtualization. Choose one of: 3.0 3.1 You will not be allowed to select 3.0 if the data center has been set as 3.1.