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Role

Provides the Role of the network in the cluster. The following table summarizes the attributes of the Role property.

Attribute Value
Data type
DWORD
Access
Read/write
Structure
CLUSPROP_DWORD
Minimum
ClusterNetworkRoleNone (0)
Maximum
ClusterNetworkRoleInternalAndClient (3)
Default
ClusterNetworkRoleInternalAndClient

Remarks

The data value for the Role property can be set to one of the following values of the CLUSTER_NETWORK_ROLE enumeration.

Name Value Description
ClusterNetworkRoleNone
0
The network is not used by the cluster.
ClusterNetworkRoleInternalUse
1
The network is used to carry internal cluster communication.
ClusterNetworkRoleClientAccess
2
Not supported.
ClusterNetworkRoleInternalAndClient
3
The network is used to connect client systems and to carry internal cluster communication.

There are some restrictions to the data value. If any IP Address resources reference this network, the Role property may not be changed to ClusterNetworkRoleNone or ClusterNetworkRoleInternalUse. If this network is the only one used for internal cluster communication, the Role property may not be changed to ClusterNetworkRoleNone or ClusterNetworkRoleClientAccess.

Examples

The property value portion of a property list entry for Role can be set with the following example code:

DWORD          RoleData = ClusterNetworkRoleClientAccess;
CLUSPROP_DWORD RoleValue;

RoleValue.Syntax.dw = CLUSPROP_SYNTAX_LIST_VALUE_DWORD;
RoleValue.cbLength  = sizeof(DWORD);
RoleValue.dw        = RoleData;

Requirements

Minimum supported client
None supported
Minimum supported server
Windows Server 2008 Enterprise, Windows Server 2008 Datacenter

See also

Network Common Properties

CLUSPROP_DWORD

CLUSTER_NETWORK_ROLE