VERITAS Volume Manager 3.5 Migration Guide (September 2004)

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Preface

This Guide describes how to migrate from HP-UX Logical Volume Manager (LVM) to VERITAS Volume

Manager (VxVM) and convert disks and volumes managed by LVM to VxVM. It includes information on

differences between VxVM and LVM commands and terminology. This Guide also discusses the use of both

graphical user interfaces: VERITAS Enterprise Administrator (VEA), the Volume Manager GUI, and

SAM (System Administration Manager), the Logical Volume Manager GUI.

Audience

This introductory guide is intended for system administrators responsible for conﬁguring and maintaining

systems using HP-UX Logical Volume Manager.

This Guide assumes:

• A basic understanding of system administration

• Familiarity with HP-UX Logical Volume Manager and related concepts

• A working knowledge of the HP-UX operating system

Scope

The purpose of this Guide is to provide system administrators with information on how to convert from the

HP-UX Logical Volume Manager to the VERITAS Volume Manager.

Organization

This guide is organized as follows:

• Chapter 1, “VxVM and LVM,” on page 1 compares the VERITAS Volume Manager to the HP Logical

Volume Manager conceptually.

• Chapter 2, “Converting LVM to VxVM,” on page 9 describes the procedures for identifying and converting

an LVM conﬁguration to a VxVM conﬁguration.

• Chapter 3, “Command Differences,” on page 37 describes the differences between LVM and VxVM

commands. It also lists LVM tasks and equivalent or similar VxVM tasks.

• Chapter 4, “SAM and the VEA,” on page 53 describes the usage of VERITAS Volume Manager’s GUI

(VEA) and its relationship with HP-UX SAM (System Administration Manager).

• Appendix A, “Conversion Error Messages,” on page 57 describes the error messages that may be

encountered during conversion and contains troubleshooting procedures.

• “Glossary” on page 61 deﬁnes terms related to the Volume Manager and LVM.