HP Veritas Volume Manager 5.0 -UX 11i v3 manual See disk enclosure

524 Glossary

An alternative term for a disk name.

disk media record

A configuration record that identifies a particular disk, by disk ID, and gives that disk a logical (or administrative) name.

disk name

A logical or administrative name chosen for a disk that is under the control of VxVM, such as disk03. The term disk media name is also used to refer to a disk name.

dissociate

The process by which any link that exists between two VxVM objects is removed. For example, dissociating a subdisk from a plex removes the subdisk from the plex and adds the subdisk to the free space pool.

dissociated plex

A plex dissociated from a volume.

dissociated subdisk

A subdisk dissociated from a plex.

distributed lock manager

A lock manager that runs on different systems in a cluster, and ensures consistent access to distributed resources.

enabled path

A path to a disk that is available for I/O.

encapsulation

A process that converts existing partitions on a specified disk to volumes. Encapsulation does not apply to HP-UX.

enclosure

See disk enclosure.

enclosure-based naming See device name.

fabric mode disk

A disk device that is accessible on a Storage Area Network (SAN) via a Fibre Channel switch.

FastResync

A fast resynchronization feature that is used to perform quick and efficient resynchronization of stale mirrors, and to increase the efficiency of the snapshot mechanism. Also see Persistent FastResync and Non-Persistent FastResync.

Fibre Channel

A collective name for the fiber optic technology that is commonly used to set up a Storage

Area Network (SAN).

file system

A collection of files organized together into a structure. The UNIX file system is a hierarchical structure consisting of directories and files.

free space