Veritas: Terminology & Definitions

Title:

Veritas: Terminology & Definitions

Author:

Douglas O’Leary <dkoleary@olearycomputers.com>

Description:

Veritas: Terminology & Definitions

Date created:

08/2008

Date updated:

09/2002

Disclaimer:

Standard: Use the information that follows at your own risk. If you screw up a system, don’t blame it on me…

Terms and definitions:

Term	Defintion
Disk group:	Collection of data, volumes, and associated parts (subdisks, plexes, and vmdisks).
Volume:	Virtual partition on which filesystems are created or databases operate.
Data plex:	1 copy of the data.
Log plex:	Logging information for volumes (RAID 5 or DRL). Displayed with a double border.
Subdisks:	Contiguous regions on a disk. 4096 is the limit on the number of subdisks per physical volume. Don’t do that.
VM Disks:	Public region of a physical disk.