This document provides a general introduction to storage management using AIX on the RS/6000. Concepts and terminology are covered before describing in more detail the operating system components: the Logical Volume Manager, and file systems. Using this foundation, it then describes the additional features and functions provided with AIX Version 4; useful commands are also detailed, as well as a guide to organizing storage. In order to illustrate the topics covered, and provide examples of common practical application, a section containing detailed step by step information on a variety of storage management tasks is included. This document is intended for customers and systems engineers who require a more detailed understanding of storage management with AIX on the RS/6000, particularly the additional features provided with AIX Version 4, and who wish to have access to practical examples. Some knowledge of AIX Version 3 is assumed.