Volume - SAP Documentation

Volume

The database system permanently stores the data and log entries of a database in volumes.

Volumes: Types
Type	Main Content
Data Volume	Data Database Catalog Undo Log Entries
Log Volume	Redo Log Entries

Volumes: Properties
Property	Description
Size	Minimum size: 1000 pages or 8000 KB
Device/File	Device/path and file name
Type	Type of physical memory `FILE` (F) A volume can be a part of a physical hard disk, a complete physical hard disk, or a storage system consisting of several storage units. Can be used on all operating systems `LINK` (L) Can only be used on Unix and Linux `RAW` (R) Raw device Can only be used on Unix and Linux

Data Volume: Example
Property	Sample Data
Name	`DATA0002`
Size	`256 MB`
Device/File	`C:\Documents and Settings\All Users\Application Data\sdb\data\demodb\data\DISKD0002`
Type	`FILE`

Log Volume: Example
Property	Sample Data
Name	`LOG002`
Size	`50 MB`
Device/File	`C:\Documents and Settings\All Users\Application Data\sdb\data\demodb\log\DISKL0002`
Type	`FILE`

More Information

Database Administration, Planning the Database
Concepts of the Database System, Volumes (Permanent Storage)
Database Studio, Adding Data Volumes, Deleting Data Volumes, Adding Log Volumes
Database Manager CLI, Configuring Database Instances, db_addvolume
Database Administration in CCMS, Volumes