HP Systems Insight Manager - Manual (Page 81)

◦ The All Systems and All Events collections cannot be deleted.
◦ After a collection is deleted, it cannot be recovered.
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Set Properties
Collections have properties, and these properties define the way collections behave in the
System and Event Collections panel and elsewhere in HP SIM.
◦ Visible property
It might be the case that there are system or event collections, that are either shipped with
HP SIM or are user-defined, that you do not use, but at the same time, do not want to
delete. If you do not use these collections, but you do not want to delete them, you can
remove them from the user interface by using the Visible setting in the collection properties.
When you select No, do not show collection and its members in the user interface for a
collection, that collection no longer appears in the System and Event Collections panel,
in the Task Wizard, or any place in the user interface (except the customization panel
itself) where collections are shown.
Making collections invisible can make the System and Event Collections panel less cluttered,
but note that once you make collections invisible, they are excluded everywhere in HP
SIM including being removed from tasks. For example, if a task is scheduled to run with
a certain collection, and that collection is made not visible, then the task will not run on
that collection. You can change the visibility setting at any time.
◦ Status Displayed property
You can set the Status Displayed property to enable you to easily view the aggregate
status of a particular collection in the System and Event Collections panel. You can set
this property only on individual systems or on collections by attribute, for example, the
lowest displaying collection aggregate status.
level of the hierarchy (the leaves of the tree).
Collections in HP SIM 81