IRIX® Admin: Disks and Filesystems

Document Number: 007-2825-013

Front Matter

| List of Figures | List of Examples | List of Tables |

Table of Contents

What's New in This Guide
New Features Documented

IRIX Admin Manual Set

About This Guide
What This Guide Contains
Conventions Used in This Guide
How to Use This Guide
Product Support
Additional Resources
Reader Comments

1. Disk Concepts
Disk Drives on Silicon Graphics Systems
Physical Disk Structure
Disk Partitions
System Disks, Option Disks, and Partition Layouts
Partition Types
Volume Headers
Device Files

2. Performing Disk Administration Procedures
Listing the Disks on a System With hinv
Formatting and Initializing a Disk With fx
Adding Files to the Volume Header With dvhtool
Removing Files in the Volume Header With dvhtool
Displaying a Disk's Partitions With prtvtoc
Repartitioning a Disk With xdkm
Repartitioning a Disk With fx
Creating Mnemonic Names for Device Files With ln
Creating a System Disk From the PROM Monitor
Creating a New System Disk From IRIX
Creating a New System Disk by Cloning
Adding a New Option Disk

3. XLV Logical Volume Concepts
Introduction to XLV Logical Volumes
Composition of XLV Logical Volumes
XLV Logical Volume Names
XLV Daemons
XLV Error Policy
XLV Logical Volume Planning

4. Creating and Administering XLV Logical Volumes
Verifying That Plexing Is Supported
Creating Volume Objects With xlv_make
Displaying XLV Logical Volume Objects
Adding a Volume Element to a Plex (Growing an XLV Logical Volume)
Adding a Plex to an XLV Logical Volume
Detaching a Plex From an XLV Logical Volume
Deleting an XLV Object
Removing and Mounting a Plex
Replacing a Disk For a Plexed Volume
Creating a Plexed XLV Logical Volume for Root
Booting the System Off an Alternate Plex
Configuring the System for More Than Ten XLV Logical Volumes
Converting lv Logical Volumes to XLV Logical Volumes
Creating a Record of XLV Logical Volume Configurations

5. Filesystem Concepts
IRIX Directory Organization
General Filesystem Concepts
XFS Filesystems
CXFS Filesystems
EFS Filesystems
Network File Systems (NFS)
Cache File Systems (CacheFS)
/proc Filesystem
/hw Filesystem
Foreign Filesystems
XFS Filesystem Creation
Filesystem Mounting and Unmounting
XFS Filesystem Checking
Filesystem Reorganization
Filesystem Administration From the Miniroot
How to Add Filesystem Space
Disk Quotas
Filesystem Corruption

6. Creating and Growing Filesystems
Planning an XFS Filesystem
Making an XFS Filesystem
Making a Filesystem From inst
Making a Foreign Filesystem
Growing an XFS Filesystem Onto Another Disk
Converting Filesystems on the System Disk From EFS to XFS
Converting a Filesystem on an Option Disk From EFS to XFS
Checking for Adequate Free Disk Space When Converting to XFS Filesystems
Dump and Restore Requirements When Converting to XFS Filesystems

7. Maintaining Filesystems
Routine Filesystem Administration Tasks
Mounting and Unmounting Filesystems
Managing Disk Space
Copying XFS Filesystems With xfs_copy
Checking XFS Filesystem Consistency With xfs_check and xfs_repair
Checking Foreign Filesystem Consistency With fpck
Repairing XFS Filesystem Problems
Running xfs_repair on the Root Filesystem

8. System Administration for Guaranteed-Rate I/O
Guaranteed-Rate I/O Overview
GRIO Guarantee Types
GRIO System Components
Hardware Configuration Requirements for GRIO
Configuring a System for GRIO
Additional Procedures for GRIO
Using Real-Time Subvolumes
GRIO File Formats

A. EFS Filesystems
EFS Filesystem Overview
EFS Filesystem Creation
EFS Filesystem Creation Procedure
Growing an EFS Filesystem Onto Another Disk
EFS Filesystem Checking
EFS Filesystem Reorganization
EFS Filesystem Disk Space Management
Using Disk Quotas on EFS Filesystems
Repairing EFS Filesystem Problems