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Administration Guide


Domain Management Server Resource Manager

The Domain Management Server resource manager (IBM.DMSRM) controls the managed node (IBM.ManagedNode) resource class and the node group (IBM.NodeGroup) resource class. The Domain Management Server resource manager runs on the node designated as the management server and is automatically started by the RMC subsystem.

The Domain Management Server resource manager is part of CSM. For information about the resource managers that are available with RSCT, see IBM RSCT for Linux: Guide and Reference.

Managed Node resource class (IBM.ManagedNode)

The program name of this resource class is IBM.ManagedNode. It runs on the management server and is started by the RMC subsystem. It is controlled by the Domain Management Server resource manager.

For details about the attributes of the Managed Node class, see the nodeattributes man page or nodeattributes File.

Predefined conditions for Managed Node Resource Class

The following predefined conditions are available for the IBM.ManagedNode resource class.

NodeReachability

Event Expression

Event Description

Rearm Expression Rearm Description

Notes

Status! =1

An event is generated when a node in the network cannot be reached from the management server.

Status =1

The event is rearmed when the node can be reached again.

None.

NodeChanged

Event Expression

Event Description

Rearm Expression Rearm Description

Notes

ConfigChanged=1

An event is generated when a node definition in the ManagedNode resource class changes.

None None NodeNames = {localnode}

NodePowerStatus

Event Expression

Event Description

Rearm Expression Rearm Description

Notes

PowerStatus !=1

An event is generated whenever the power state of the node is no longer 1 (on). This typically happens when the node is powered off, or when the power status of the node cannot be determined.

PowerStatus =1

The event is rearmed when the node is powered on again.

NodeNames = {localnode}

Node Group Resource Class (IBM.NodeGroup)

The program name of the Node Group Resource Class is IBM.NodeGroup. The node group resource class runs on the management server.

Predefined conditions for the Node Group Resource Class

The following table shows the predefined conditions and example expressions that are available for the IBM.NodeHardwareControl resource class.

NodeGroupMembershipChanged

Event Expression

Event Description

Rearm Expression Rearm Description

Notes

MembershipChanged.AddCount !=1 ||

MembershipChanged.DeleteCount !=0

An event is generated when a node is added to or deleted from a previously existing node group.

None None NodeNames = {localnode}

Node Hardware Control Resource Class (IBM.NodeHwCtrl)

The program name of the Node Hardware Control Resource class is IBM.NodeHwCtrl. The node hardware control class provides support for powering a node on and off, resetting a node, querying the power status of a node, resetting the node's service processor, and resetting the node's hardware control point.


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