Veritas Enterprise Administrator (VEA) Getting Started (HP-UX 11i v3, February 2007)

Glossary 47
LUN
Logical Unit Number. Each disk in an array has a LUN. Disk partitions may also be
assigned a LUN.
main window
The main VERITAS Volume Manager window. This window contains a tree and grid that
display volumes, disks, and other objects on the system. The main window also has a
menu bar, a toolbar, and an optional Command Launcher.
menu
A list of options or tasks. A menu item is selected by pointing to the item and clicking the
mouse.
menu bar
A bar that contains a set of menus for the current window. The menu bar is typically
placed across the top of a window.
mirror
A copy of a volume and its data. There can be several mirrors per volume. The terms
mirror and plex are used synonymously.
node
In the VxVM tree, a node is an element attached to the tree.
In a cluster environment, a node is a host machine in a cluster.
object group
A group of objects of the same type. Each object group has a group icon and a group
name. In VxVM, object groups include disk groups, disks, volumes, controllers, free disk
pool disks, uninitialized disks, and file systems.
object tree
A dynamic hierarchical display of VERITAS Volume Manager objects and other objects on
the system. Each node in the tree represents a group of objects of the same type.
Object View Window
A window that displays a graphical view of the volumes, disks, and other objects in a
particular disk group. The objects displayed in this window are automatically updated
when object properties change. This window can display detailed or basic information
about volumes and disks.