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 VERITAS Volume Manager 3.2 Administrator's Guide: for HP-UX 11i and HP-UX 11i Version 1.5

Chapter 1 Understanding VERITAS Volume Manager
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 » Table of Contents

 » Glossary

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Table of Contents

Introduction
VxVM and the Operating System
How Data is Stored
How VxVM Handles Storage Management
Physical Objects—Physical Disks
Device Discovery
Virtual Objects
Combining Virtual Objects in VxVM
Volume Layouts in VxVM
Implementation of Layered Volumes
Layout Methods
Concatenation and Spanning
Striping (RAID-0)
Mirroring (RAID-1)
Striping Plus Mirroring (Mirrored-Stripe or RAID-0+1)
Mirroring Plus Striping (Striped-Mirror, RAID-1+0 or RAID-10)
RAID-5 (Striping with Parity)
Layered Volumes
Online Relayout
How Online Relayout Works
Permitted Relayout Transformations
Transformation Characteristics
Transformations and Volume Length
Volume Resynchronization
Dirty Flags
Resynchronization Process
Dirty Region Logging (DRL)
Dirty Region Logs
Log subdisks
Sequential DRL
Volume Snapshots
FastResync
FastResync Enhancements
Non-Persistent FastResync
Persistent FastResync
How Non-Persistent FastResync Works with Snapshots
How Persistent FastResync Works with Snapshots
FastResync Limitations
SmartSync Recovery Accelerator
Data Volume Configuration
Redo Log Volume Configuration
Hot-Relocation


Conventions
  		 


Introduction  
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