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Object documentation Volumes Locate the document in its SAP Library structure

A volume is a logical grouping of physical storage units (disks). A volume can be a part of a physical disk, a complete physical disk, or a completely structured storage system consisting of several storage units. The disks used should have identical performance parameters (specifically access speeds) to ensure an even filling of the volumes.

The database system differentiates between data volumes and log volumes. Every database instance has one or more log volumes and data volumes. You configure the maximum numbers of data and log volumes that are possible when installing the database instance. If necessary, you can add data or log volumes to a database instance while the database is running.

If database management tools are used (such as the Database Manager), a volume is addressed using a directory path. You can change the directory paths.

Note

Use the Database Manager to manage the volumes.

 

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