This documentation supports the 11.3 version of BMC Discovery.

To view an earlier version of the product, select the version from the Product version menu.

Automatic Group node

An Automatic Group is the term used for a number of hosts that are grouped according to observed network communications using the Automatic grouping feature. The sole purpose of an Automatic Group node is to build the visualizations that are part of the feature. Automatic Group nodes are only created or destroyed if the Enable Automatic Grouping setting is enabled on the Discovery Configuration page.

Automatic Group nodes are stored in the Conjecture partition.

Automatic Group Lifecycle

The following section describes the scenarios in which an Automatic Group is created, updated or removed.

Creation

Automatic Group nodes are created at the end of every discovery run, or when the Update button in the automatic grouping UI is clicked.

Update

Automatic Group nodes are not updated.

Removal

Automatic Group nodes are destroyed at the end of every discovery run, or when the Update button in the automatic grouping UI is clicked. New Automatic Group nodes are then created taking into account any changes to hosts and network communications.

Automatic Group node attributes

The attributes of an Automatic Group node are as described in the following table:

UI Name
Attribute Name and Type

Description

name string

The name of the Automatic Group.

type string

The type of the Automatic Group.

Automatic Group node relationships

The relationships of an Automatic Group node are described in the following table:

Destination

Relationship

Description

Members

AutomaticGroup:
List:
List:
Member:
Host

Hosts which are members of this Automatic Group.

Communicating With

AutomaticGroup:
AutomaticGroup:
ObservedCommunication:
HostGroup:
HostGroup

Automatic Groups with which this Automatic Group is communicating.

 

Automatic Group node expressions

The expressions for the Automatic Group node as are described in following table:

 

Name

Expression

Description

Number of Members

num_members : NODECOUNT(TRAVERSE Container:Containment:ContainedItem:Host)

Number of members

Number of Communicating Groups

num_other_groups : NODECOUNT(TRAVERSE AutomaticGroup:ObservedCommunication:AutomaticGroup:AutomaticGroup)

Number of Communicating Groups

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