VERITAS Volume Manager 3.5 User's Guide - VERITAS Enterprise Administrator (June 2002)

166 VERITAS Volume Manager User’s Guide - VEA
cluster
A set of host machines (nodes) that shares a set of disks.
cluster file system
See CFS.
command log
A log file that contains a history of VERITAS Volume Manager (VxVM) tasks performed in the
current session and previous sessions. Each task is listed with the task originator, the start/finish
times, the task status, and the low-level commands used to perform the task.
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. The root disk group (rootdg) is a special private disk group that
always exists. 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.
dock
To separate or attach the main window and a subwindow.
enclosure
A disk array.
gap
A disk region that does not contain VERITAS Volume Manager objects (subdisks).