Chapter 6. Storage Management, LVM, and File Systems

6.1 Logical Volume Storage Concepts

The five basic logical storage concepts are: Physical volumes, volume groups, physical partitions, logical volumes, and logical partitions. The relationships among these concepts are provided in Figure 36.

Figure 36: Relationship between Logical Storage Components

The following can be said regarding Figure 36:

After installation, the system has one volume group (the rootvg volume group) consisting of a base set of logical volumes required to start the system and any others you specify to the installation script.

6.2 Logical Volume Manager