Introduction

This chapter describes what VERITAS Volume Manager is, how it works, how you can communicate with it through the user interfaces, and Volume Manager concepts. Related documents that provide specific information about Volume Manager are listed in the “Preface”.

The following topics are covered in this chapter:

“How Data is Stored”
“Volume Manager Overview”
“Physical Objects”
“Volumes and Virtual Objects”
“Virtual Object Data Organization (Volume Layouts)”
“Volume Manager and RAID-5”
“Layered Volumes”
“Volume Manager User Interfaces”
“Volume Manager Conceptual Overview”
“Volume Administration Tasks”
Volume Manager provides easy-to-use online disk storage management for computing environments. Traditional disk storage management often requires that machines be taken off-line at a major inconvenience to users. In the distributed client/server environment, databases and other resources must maintain high availability, be easy to access, and be Volume Manager provides the tools to improve performance and ensure data availability and integrity. Volume Manager also dynamically configures disk storage while the system is active.
This chapter introduces the VERITAS Volume Manager concepts and describes the tools that Volume Manager uses to perform storage management.
NOTE: Rootability or bringing the root disk under VxVM control is not supported on HP-UX 11i systems, but it is supported on HP-UX 11i Version 1.5 systems.

Introduction

Technical documentation

» Table of Contents

» Glossary

» Index