XVM Volume Manager Administrator's Guide

Document Number: 007-4003-024

Front Matter

| List of Figures | List of Tables |

Table of Contents

What's New in This Guide
Major Documentation Changes

About This Guide
Related Documentation
Conventions Used in This Guide
Reader Comments

1. Introduction to the XVM Volume Manager
XVM Volume Manager Features
XVM Logical Volume Device Directories
Partition Layout under XVM
Composition of XVM Logical Volumes
Writing Data to Logical Volumes
XVM Logical Volumes in a CXFS Cluster
XVM Logical Volumes and Failover
Installing the XVM Logical Volume Manager under IRIX
Installing the XVM Volume Manager under Linux

2. XVM Administration Concepts
XVM Objects
XVM Domains
Physical Disk Administration
Creating Logical Resources
Managing Logical Resources
Destroying Logical Resources

3. The XVM Command Line Interface
Using the XVM CLI
Online Help for XVM CLI Commands
XVM CLI Syntax
Object Names in XVM
XVM Device Directories and Pathnames
Command Output and Redirection
Safe Versus Unsafe Commands

4. XVM Administration Commands
Physical Volume Commands
Logical Volume Commands
XVM System Disks

5. XVM Failover
Selecting a Failover Version
Failover V1
Failover V2
How to Create a failover2.conf File

6. The XVM Snapshot Feature
XVM Snapshot Overview
XVM Snapshot Administration
Basic Snapshot Example
Creating Hourly Snapshots
Growing a Repository Volume
Determining System Behavior on Full Repository
Snapshot Region Size and System Performance
Snapshot Backup Considerations

7. XVM Administration Procedures
Before you Begin
Preparing to Configure XVM Volumes under Linux
Creating a Logical Volume with a Three-Way Stripe
Striping a Portion of a Disk
Creating a Logical Volume with a Data and Log Subvolume
Creating a Logical Volume with a Data, Log, and Real-time Subvolume
Creating a Volume from the Top Down
Creating an XVM Logical Volume with Striped Mirrors
Creating and Mirroring an XVM System Disk
Configuring a swap Volume with a Concat
Giving Away a System Disk from the Miniroot
Online Reconfiguration Using Mirroring
Online Modification of a Logical Volume
Making an XVM Volume Using a GPT Label
Converting an SGI DVH XVM Label to a GPT Label Suitable for XVM
Tuning XVM

8. Statistics
Physical Volume Statistics
Subvolume Statistics
Stripe Statistics
Concat Statistics
Mirror Statistic
Slice Statistics

9. XVM Volume Manager Operation
Cluster System Startup
Mirror Revives
Mirror Revives on Recovery in a Cluster
XVM Mirror Revive Resources
XVM Subsystem Parameters

10. The XVM Manager GUI
Installing the XVM Manager GUI
Starting the XVM Manager GUI
The XVM Manager GUI Window
Configuring the System
Selecting Items to View or Modify
Configuring the System Quickly
Analyzing I/O Performance
Using Drag-and-Drop for XVM Configuration
Viewing Log Messages
Important GUI and CLI Differences
Disks Tasks
Volume Element Tasks
Filesystem Tasks
Privileges Tasks

A. XVM and XLV Logical Volumes
XVM and XLV Logical Volume Creation Comparison
Upgrading from XLV to XVM Logical Volumes
Converting XLV Mirrored Stripes to XVM Striped Mirrors