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Veritas Terms and Definitions


Term & Definition

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.

VM Disks:
Public region of a physical disk.