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Policy groups are collections of policies or other policy groups. Grouping policies can make it easier to perform certain configuration and management tasks as instead of dealing with a single policy you deal with group of similar policies, usually applied to a node group. In other words the main benefit of policy group is uniform assignment and deployment of policies to nodes.
Policies assigned directly to a node are called Direct assignments. Policies assigned because of being in a policy group are called Effective assignments.
One can group policies based on whatever criteria he finds convinient, sharing the following characteristics:
Organizing policies into policy groups has the following advantages:
There can be special node groups that are not intended for use with responsibilities. These node groups are flagged as Invisible Node Groups and will not appear in any responsibility matrix. That can make responsibilities matrix more compact.
You can list policy groups by using the opcpolicy -list_groups command. The operations with policy groups include creating and deleting policy groups, assigning policies to groups, and deassigning policies from groups. to list all policy groups and their contents. More information can be obtained if you increase the verbosity level or use different values of the level parameter. For more information, see the opcpolicy (1M) manpage.
You can create and delete your policy groups, as well as assign and deassign policies to them. A policy can be assigned to more than one policy group. This multiple assignment capability provides you with the flexibility to form policy groups that meet the precise needs of your organization. To ensure system efficiency, HPOM ensures that the policy is distributed only once to the managed node.
When you create policy groups, make sure they simplify the policy assignment. For example, create a policy group for all policies that monitor database servers. When assigning the policies to your managed nodes, you can then assign the policy group “Database Monitoring” to the node group “Database Servers”. For a list of the default policy groups that HPOM provides for each supported agent platform, see the HPOM HTTPS Agent Concepts and Configuration Guide.
It is important to remember that assigning a policy to a group that is a member of another group does not automatically assign the policy to both groups. For example, assigning a policy X to group /a does not automatically assign the same policy to group /b/a. There are three different types of policy-to-policy-group assignments that relate to the policy version:
Policy group identified by name and parent group. Policy groups with same name but different parent group/path are different.
HPOM provides a variety of policy groups that you can use for the monitoring and configuration of the HP Operations management server. You can use the opcpolicy command to list the installed policy groups and check the contents of individual policy groups. The opcpolicy command is located in the /opt/OV/bin/OpC/utils directory.
The following default policy groups are provided with the HPOM management server:
SiteScope Integration/<SiteScope Policy Group>
To display a list of the policy groups deployed on an HPOM managed node or the HPOM management server, use the opcpolicy command with the -list_groups option, as follows:
# /opt/OV/bin/OpC/utils/opcpolicy -list_groups
The opcpolicy command with the -list_groups parameter displays the following information on the HPOM management server:
# opcpolicy -list_groups
policy group: /Correlation Composer
policy group: /Examples
policy group: /Examples/ECS
policy group: /Examples/Unix
policy group: /Examples/Windows
policy group: /Management Server
policy group: /SNMP
policy group: /SiteScope Integration
To display a list of the policies contained in an individual policy group, use the opcpolicy command with the -list_group option as follows:
# /opt/OV/bin/OpC/utils/opcpolicy -list_group “group=<PolicyGroup_Name>”
<PolicyGroup_Name> Name of the HPOM policy groups whose contents you want to list, for example “Management Server”, which produces the following result:
The following text is an excerpt from the output the command displays:
policy group: /Management Server
assigned policy : opcmsg(1|3), version 0009.0000, LATEST
assigned policy : distrib_mon, version 0009.0000, LATEST
assigned policy : mondbfile, version 0009.0000, LATEST
assigned node : omlinux1
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