VERITAS Enterprise Administrator (VEA 500 Series) Getting Started

Glossary 45
Device Discovery Layer
See DDL
Dirty Region Logging
See DRL.
device name
The physical disk device name (or disk access name).
dialog box
A window in which the user submits information to VxVM. Dialog boxes can contain selectable
buttons and/or fields that accept information.
disk group
A set of disks that are under VxVM control and share a common configuration. A disk group
configuration is a set of records containing detailed information on existing VERITAS Volume
Manager objects (such as disk and volume attributes) and their relationships. Each disk group has
an administrator-assigned name. Volumes can only be created on disks that belong to disk groups.
disk name
The VERITAS Volume Manager disk name (or disk media name). This is the logical name given to
the disk by VxVM or the administrator.
DMP
The VERITAS Volume Manager Dynamic Multipathing facility.
dock
To separate or attach the main window and a subwindow.
DRL
A VxVM mechanism that tracks mirror write inconsistency which helps in fast resynchronization
of mirrors after system crash. Even though the term log is used, internally DRL is implemented as a
map.
Dynamic Multipathing
See DMP.