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HP-UX System Administration Tasks: HP 9000

Chapter 3 Managing Disks Using the Logical Volume Manager (LVM)

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Table of Contents

What Tasks Will I Find in This Chapter?

Disk Management Prior to 10.0 HP-UX

Facts about Disk Management Now

What Are Logical Volumes?

Who Should Use Logical Volumes?

An Introduction to the Logical Volume Manager

Useful Facts About LVM
How LVM Works

Planning for the Use of Logical Volumes

Setting Up Logical Volumes for File Systems
Setting Up Logical Volumes for Swap
Setting Up Logical Volumes for Raw Data Storage
Using Disk I/O Interfaces
Bad Block Relocation
Increasing Availability with Alternate Links

LVM Naming Conventions

Naming Physical Volumes
Naming Volume Groups
Naming Logical Volumes
Naming Physical Volume Groups

Managing Logical Volumes Using SAM

Managing Logical Volumes Using HP-UX Commands

Tasks That You Can Perform Only with HP-UX Commands

Extending a Logical Volume to a Specific Disk
Creating the Root Volume Group and a Root Logical Volume
Backing Up and Restoring Your Volume Group Configuration
Moving and Reconfiguring Your Disks
Moving Data to a Different Physical Volume
Reducing the Size of a Logical Volume
Setting Up Alternate Links to a Physical Volume

Solving LVM Problems

Booting When LVM Data Structures Are Lost
When a Volume Group Will Not Activate
Problems After Reducing the Size of a Logical Volume
No Response or Program Output from an Inaccessible Disk
Troubleshooting an Existing SDS Disk

Converting Current Disks to New LVM Disks

Converting a Root Disk
Converting a Non-Root Disk

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