Index

backup and restore
commands
XFS Filesystems
during conversion to XFS
Converting Filesystems on the System Disk From EFS to XFS
Dump and Restore Requirements
Converting a Filesystem on an Option Disk From EFS to XFS

bad block handling
Physical Disk Structure

block device files
as a type of file
Types of Files
description
Device Files

block sizes
and mkfs
Converting a Filesystem on an Option Disk From EFS to XFS
Making an XFS Filesystem
guidelines
Choosing the Filesystem Block Size and Extent Size
range of sizes
XFS Filesystems
Choosing the Filesystem Block Size and Extent Size
syntax
Choosing the Filesystem Block Size and Extent Size

CacheFs filesystems
Cache File Systems (CacheFS)

cfg command
description
GRIO System Components
using
Configuring a System for GRIO

cfsadmin command
Cache File Systems (CacheFS)

character device files
as a type of file
Types of Files
description
Device Files

chkconfig command
nocleantmp option
Cleaning Out Temporary Directories
quotacheck option
Imposing Disk Quotas
Monitoring Disk Quotas
quotas option
Imposing Disk Quotas
Imposing Disk Quotas

cloning system disks
Creating a New System Disk by Cloning

compatibility
32-bit programs and XFS
XFS Filesystems
dump/restore and filesystem type
XFS Filesystems
NFS
XFS Filesystems

component records
/etc/grio_config File Format

concatenation
definition
Plexes
guidelines
Concatenate Disk Partitions or Not?
not allowed on Root filesystems
Don't Use XLV When ...

controllers
identifying controller number
Listing the Disks on a System With hinv
number of disk drives
Disk Drives Supported by IRIX
supported
Disk Drives Supported by IRIX

conventions, typographical
Conventions Used in This Guide

corruption of filesystems
Filesystem Corruption

CPUs
and versions of fx
Invoking fx From the Command Monitor
and versions of sash
Volume Headers
Invoking fx From the Command Monitor
restrict to running GRIO processes
Running ggd as a Real-time Process
/etc/config/ggd.options File Format

cylinder groups
EFS Filesystems

cylinders
Physical Disk Structure

daemons
GRIO
GRIO System Components
Restarting the ggd Daemon
XLV
XLV Daemons

deadline scheduling
Real-Time Scheduling, Deadline Scheduling, and Nonscheduled Reservations

/debug filesystem
/proc Filesystem

/dev/dsk/xlv directory
XLV Logical Volume Names

device files
creating mnemonic names
Creating Mnemonic Names for Device Files With ln
creating special files
Creating Device Files With mknod
creating with MAKEDEV
Creating Device Files With MAKEDEV
creating with mknod
Creating Device Files With mknod
description
Device Files
for lv logical volumes
Creating Entries in the /etc/lvtab File
ls listings
Device Files
lv device file names
Introduction to Logical Volumes
major and minor device numbers
Major and Minor Devices
names
Device Names
permissions and owner
Device Permissions and Owner
See also block device files, character device files.
Device Files
using as command arguments
Listing the Disks on a System With hinv
XLV device file names
Introduction to Logical Volumes
XLV Logical Volume Names

device names
disk for dump file
Converting Filesystems on the System Disk From EFS to XFS
identifying with prtvtoc
Converting Filesystems on the System Disk From EFS to XFS
mnemonic
Creating Mnemonic Names for Device Files With ln
tape drive
Converting Filesystems on the System Disk From EFS to XFS

df command and XLV
Files on the Real-Time Subvolume and Commands

direct I/O
File Creation on the Real-Time Subvolume

directories
as a type of file
Types of Files
cleaning temporary
Cleaning Out Temporary Directories
definition
General Filesystem Concepts
hidden
Filesystem Mounting and Unmounting
standard IRIX
IRIX Directory Organization
temporary
Running Out of Space in the Root Filesystem
/tmp and /var/tmp
Cleaning Out Temporary Directories

directory organization
IRIX Directory Organization

disk blocks
bad block handling
Physical Disk Structure
definition
Physical Disk Structure

disk drives
adding a new disk as a filesystem
Mount a Filesystem as a Subdirectory
approved types for GRIO
Hardware Configuration Requirements for GRIO
device parameters
Volume Headers
growing a filesystem onto new
Grow a Filesystem Onto Another Disk
identifying controller number and drive address
Listing the Disks on a System With hinv
non-SCSI disks
What This Guide Contains
parameters for GRIO
Disabling Disk Error Recovery
Hardware Configuration Requirements for GRIO
physical structure
Physical Disk Structure
supported types
Disk Drives Supported by IRIX

disk partitions
and external log size
Choose Subvolume Sizes
and volume elements
Volume Elements
block and character devices
Introduction to Logical Volumes
considerations in choosing partition layouts
System Disks, Option Disks, and Partition Layouts
creating custom layouts
Creating Custom Partition Layouts
creating standard layouts
Creating Standard Partition Layouts
definition
Disk Partitions
device names
Converting Filesystems on the System Disk From EFS to XFS
displaying with prtvtoc
Displaying a Disk's Partitions With prtvtoc
making an XFS filesystem
Making an XFS Filesystem
on older systems
System Disks, Option Disks, and Partition Layouts
overlapping
Disk Partitions
partition numbers, names, and functions
Disk Partitions
planning
Disk Repartitioning
repartitioning
Disk Repartitioning
repartitioning during conversion
Converting Filesystems on the System Disk From EFS to XFS
repartitioning with fx
Repartitioning a Disk With fx
sizes for striped volume elements
To Stripe or Not to Stripe?
standard partition layouts
System Disks, Option Disks, and Partition Layouts
types
Partition Types

Disk Plexing Option
Subvolumes

disk quotas
description
Disk Quotas
edquota command
Imposing Disk Quotas
imposing
Imposing Disk Quotas
monitoring
Monitoring Disk Quotas
quot command
Identifying Accounts That Use Large Amounts of Disk Space
quotacheck command
Monitoring Disk Quotas
quotaoff command
Imposing Disk Quotas
quotaon command
Imposing Disk Quotas

disk space
estimating with xfs_estimate
Checking for Adequate Free Disk Space
files that grow
Monitoring Key Files and Directories
for logs
Choosing the Log Type and Size
getting more
Checking for Adequate Free Disk Space
growing a logical volume
Adding a Volume Element to a Plex (Growing a Logical Volume)
identifying large users
Identifying Accounts That Use Large Amounts of Disk Space
increasing for XFS
Checking for Adequate Free Disk Space
monitoring free inodes
Monitoring Free Space and Free Inodes
monitoring free space
Monitoring Free Space and Free Inodes
unused files
Managing Disk Space

drive addresses
identifying
Listing the Disks on a System With hinv
setting
Disk Drives Supported by IRIX

du command
Identifying Accounts That Use Large Amounts of Disk Space

dump command
commands used during conversion to XFS
Converting a Filesystem on an Option Disk From EFS to XFS
Converting Filesystems on the System Disk From EFS to XFS
requirements for conversion to XFS
Dump and Restore Requirements
when to use
XFS Filesystems

dvhtool command
adding files to the volume header
Adding Files to the Volume Header With dvhtool
and volume element sizes
To Plex or Not to Plex?
description
Volume Headers
examining a volume header
Adding Files to the Volume Header With dvhtool
removing files in the volume header
Removing Files in the Volume Header With dvhtool

edquota command
Imposing Disk Quotas

EFS filesystems
adding space
How to Add Filesystem Space
and XLV logical volumes
XLV Logical Volumes
changing size
“Steal” Space From Another Filesystem
checking for consistency
Filesystem Checking
Checking EFS Filesystem Consistency With fsck
corruption
Filesystem Corruption
description
EFS Filesystems
fragmentation
EFS Filesystems
history
What This Guide Contains
inodes
EFS Filesystems
Inodes
maximum file size
EFS Filesystems
maximum filesystem size
EFS Filesystems
mounting
Mounting and Unmounting Filesystems
Filesystem Mounting and Unmounting
names
Filesystem Names
reorganizing
Filesystem Reorganization
unmounting
Unmounting Filesystems
Filesystem Mounting and Unmounting
XLV subvolumes
Decide Which Subvolumes to Use

efs partition type
Partition Types

error recovery
and XLV
XLV Error Policy
disabling for GRIO
Disabling Disk Error Recovery

/etc/config/ggd.options file
/etc/config/ggd.options File Format
GRIO System Components

/etc/fstab file
entries for filesystems
Mounting Filesystems Automatically With the /etc/fstab File
Making an XFS Filesystem
entries for system disk
Converting Filesystems on the System Disk From EFS to XFS
entries for XLV logical volumes
Configuring a System for GRIO
Converting lv Logical Volumes to XLV Logical Volumes
Example 1: A Simple Logical Volume

/etc/grio_config file
/etc/grio_config File Format
Configuring a System for GRIO
GRIO System Components
/etc/config/ggd.options File Format
Modifying /etc/grio_config

/etc/grio_disks file
GRIO System Components
/etc/grio_disks File Format

/etc/init.d/grio file
Restarting the ggd Daemon

/etc/init.d/quotas file
Imposing Disk Quotas

/etc/init.d/rmtmpfiles file
Cleaning Out Temporary Directories

/etc/lvtab file
description
Converting lv Logical Volumes to XLV Logical Volumes
syntax
Creating Entries in the /etc/lvtab File

/etc/nodelock file
Verifying That Plexing Is Supported

/etc/rc2.d/S94grio file
GRIO System Components

exportfs command
Network File Systems (NFS)

extent size
Configuring a System for GRIO
Configuring a System for GRIO
Choosing the Filesystem Block Size and Extent Size

extents
EFS filesystem
EFS Filesystems
indirect
EFS Filesystems
EFS Filesystems
XFS filesystem
XFS Filesystems

external logs
and log subvolumes
XLV Logical Volumes
creating with mkfs, example
Making an XFS Filesystem
definition
Choosing the Log Type and Size
System Disks, Option Disks, and Partition Layouts
disk partitions for
Partition Types
example
Example 3: A Plexed Logical Volume for an XFS Filesystem With an External Log
See also logs.
System Disks, Option Disks, and Partition Layouts
size
Choosing the Log Type and Size

fcntl system call
XFS Filesystems
Files on the Real-Time Subvolume and Commands

files
and hard links
Hard Links and Symbolic Links
and symbolic links
Hard Links and Symbolic Links
definition
General Filesystem Concepts
files that grow
Monitoring Key Files and Directories
information in inodes
Inodes
locating unused
Locating Unused Files
possible unused files
Managing Disk Space
types
Types of Files

/ filesystem. See Root filesystem.
General Filesystem Concepts

filesystems
adding space
How to Add Filesystem Space
checking for consistency
Filesystem Checking
Checking EFS Filesystem Consistency With fsck
corruption
Checking XFS Filesystem Consistency With xfs_check
Filesystem Corruption
creating
Filesystem Creation
definition
General Filesystem Concepts
mounting
Mounting and Unmounting Filesystems
Filesystem Mounting and Unmounting
names
Filesystem Names
NFS
Network File Systems (NFS)
/proc
/proc Filesystem
remote
Mounting a Remote Filesystem Automatically
routine administration tasks
Routine Filesystem Administration Tasks
See also EFS filesystems, XFS filesystems.
General Filesystem Concepts
unmounting
Unmounting Filesystems
Filesystem Mounting and Unmounting

font conventions
Conventions Used in This Guide

formatting disks
Formatting and Initializing a Disk With fx
Physical Disk Structure

fragmentation
EFS Filesystems
Filesystem Reorganization

fsck command
description
Filesystem Checking
using
Repairing EFS Filesystem ProblemsWith fsck
Checking Unmounted Filesystems

fsck_cachefs command
Filesystem Checking

fsr command
Filesystem Reorganization
EFS Filesystems

fx command
and device parameters
Volume Headers
and partition types
Partition Types
in volume header
Volume Headers
IRIX version
Invoking fx From IRIX
repartitioning disks
Repartitioning a Disk With fx
repartitioning example
Creating a System Disk From the PROM Monitor
Creating a New System Disk From IRIX
standalone version
Invoking fx From the Command Monitor
standard vs. custom partitions
Partition Types
using expert mode to assign partition types
Partition Types
using the standalone version
Converting Filesystems on the System Disk From EFS to XFS
versions for different processors
Invoking fx From the Command Monitor

Getting Started With XFS Filesystems
About This Guide

ggd daemon
description
GRIO System Components
restarting
Configuring a System for GRIO
Restarting the ggd Daemon

GRIO
component records
/etc/grio_config File Format
configuring the ggd daemon
Restarting the ggd Daemon
creating an XLV logical volume for
Configuring a System for GRIO
deadline scheduling
Real-Time Scheduling, Deadline Scheduling, and Nonscheduled Reservations
default guarantee options
GRIO Guarantee Types
description
System Administration for Guaranteed-Rate I/O
Guaranteed-Rate I/O Overview
disabling disk error recovery
Disabling Disk Error Recovery
features
Guaranteed-Rate I/O Overview
file descriptors
Guaranteed-Rate I/O Overview
file formats
GRIO File Formats
guarantee types
GRIO Guarantee Types
hard guarantees
Hard and Soft Guarantees
Hardware Configuration Requirements for GRIO
hardware configuration requirements
Hardware Configuration Requirements for GRIO
lock file
GRIO System Components
non-scheduled reservations
Real-Time Scheduling, Deadline Scheduling, and Nonscheduled Reservations
overview
Guaranteed-Rate I/O Overview
per-file guarantees
Per-File and Per-Filesystem Guarantees
per-filesystem guarantees
Per-File and Per-Filesystem Guarantees
private guarantees
Private and Shared Guarantees
rate
Guaranteed-Rate I/O Overview
real-time scheduling
Real-Time Scheduling, Deadline Scheduling, and Nonscheduled Reservations
relationship records
/etc/grio_config File Format
reservations
Guaranteed-Rate I/O Overview
shared guarantees
Private and Shared Guarantees
sizes to choose
Guaranteed-Rate I/O Overview
soft guarantees
Hard and Soft Guarantees
streams
System Administration for Guaranteed-Rate I/O
system components
GRIO System Components

growfs command
extending a filesystem onto a logical volume
Growing an EFS Filesystem Onto Another Disk
using after increasing the size of a logical volume
Increasing the Size of a Logical Volume

guaranteed-rate I/O. See GRIO.
Additional Resources

hard errors
XLV Error Policy

hard guarantees
Hard and Soft Guarantees
Hardware Configuration Requirements for GRIO

hard links
Hard Links and Symbolic Links

hardware requirements
Hardware Configuration Requirements for GRIO
XFS Filesystems

heads, recording, definition
Physical Disk Structure

hidden directories
Filesystem Mounting and Unmounting

ide diagnostics program
Volume Headers

initializing a disk
Formatting and Initializing a Disk With fx

inodes
checking by fsck
Phase 1 Check Blocks and Sizes
description
Inodes
in EFS filesystems
EFS Filesystems
monitoring free inodes
Monitoring Free Space and Free Inodes
XFS filesystems
XFS Filesystems

internal logs
and the data subvolume
XLV Logical Volumes
and xfslog partitions
Partition Types
creating with mkfs, example
Making an XFS Filesystem
definition
Choosing the Log Type and Size
System Disks, Option Disks, and Partition Layouts
See also logs.
System Disks, Option Disks, and Partition Layouts
size
Choosing the Log Type and Size

IRIS Volume Manager
XLV Logical Volumes

IRIX administration documentation
Additional Resources
IRIX Admin Manual Set

IRIX Advanced Site and Server Administration Guide
About This Guide

IRIX directory organization
IRIX Directory Organization

journaling information
Subvolumes
XFS Filesystems

links
Hard Links and Symbolic Links

ln command
creating hard links
Hard Links and Symbolic Links
creating mnemonic names
Creating Mnemonic Names for Device Files With ln
creating symbolic links
Hard Links and Symbolic Links

logical volume labels
and logical volume assembly
XLV Daemons
and lv volume names
Creating Entries in the /etc/lvtab File
checks made by lvck
lv Logical Volumes
creating with mklv
Creating New Logical Volume With mklv
daemon that updates them
XLV Daemons
definition
Volume Headers
information used at system startup
Volumes
printing with lvck
Checking Logical Volumes With lvck
removing with dvhtool
Removing Files in the Volume Header With dvhtool
updating with mklv –f
Increasing the Size of a Logical Volume
written by xlv_make
Creating Volume Objects With xlv_make

logical volumes
adding plexes
Adding a Plex to a Logical Volume
advantages
Introduction to Logical Volumes
choosing which subvolumes
Decide Which Subvolumes to Use
coming up at system startup
Volumes
XLV Daemons
creating, examples
Example 1: A Simple Logical Volume
creating, overview
Introduction to Logical Volumes
definition of volume
Volumes
deleting objects
Deleting an XLV Object
description
Introduction to Logical Volumes
detaching plexes
Detaching a Plex From a Logical Volume
device names
XLV Logical Volume Names
disadvantages
Introduction to Logical Volumes
disk labels
Logical Volume Concepts
displaying objects
Displaying Logical Volume Objects
example (figure)
Composition of Logical Volumes
growing
Adding a Volume Element to a Plex (Growing a Logical Volume)
hierarchy of objects
Composition of Logical Volumes
increasing size
Adding a Volume Element to a Plex (Growing a Logical Volume)
lv. See lv logical volumes.
Logical Volume Concepts
moving to a new system
Volumes
XLV Logical Volume Names
naming
XLV Logical Volume Names
read and write errors
XLV Error Policy
removing labels in volume headers
Removing Files in the Volume Header With dvhtool
See also lv logical volumes, XLV logical volumes.
Logical Volume Concepts
sizes
Choose Subvolume Sizes
striping, definition and illustration
Introduction to Logical Volumes
used as raw devices
Volumes
Introduction to Logical Volumes
volume composition
Volumes
XLV. See XLV logical volumes.
Logical Volume Concepts

logs
choosing size
Choosing the Log Type and Size
choosing type
Choosing the Log Type and Size
creating external with fx
Partition Types
description
Choosing the Log Type and Size
example of external
Example 3: A Plexed Logical Volume for an XFS Filesystem With an External Log
external, definition
Choosing the Log Type and Size
external, specifying size
Choosing the Log Type and Size
internal log, when used
Decide Which Subvolumes to Use
internal, definition
Choosing the Log Type and Size
internal, specifying size
Choosing the Log Type and Size
size syntax
Choosing the Log Type and Size

lost+found directories
IRIX Directory Organization
Filesystem Creation

lv logical volumes
XLV Logical Volumes
checking with lvck
Checking Logical Volumes With lvck
converting to XLV
Converting lv Logical Volumes to XLV Logical Volumes
creating on new disks
Creating a Logical Volume and a Filesystem on Newly Added Disks
creating out of old and new disks
Growing an EFS Filesystem Onto Another Disk
creating with mklv
Creating New Logical Volume With mklv
description
lv Logical Volumes
device names
Creating Entries in the /etc/lvtab File
/etc/lvtab file
Creating Entries in the /etc/lvtab File
history
What This Guide Contains
increasing the size
Increasing the Size of a Logical Volume
restrictions in using
lv Logical Volumes
See also logical volume labels, logical volumes.
lv Logical Volumes
shrinking
Shrinking a Logical Volume
volume names
Creating Entries in the /etc/lvtab File

lv_to_xlv command
Converting lv Logical Volumes to XLV Logical Volumes

lvck command
description
lv Logical Volumes
using
Checking Logical Volumes With lvck

lvinfo command
lv Logical Volumes

lvlab logical volume labels. See logical volume labels.
Volume Headers

lvol partition type
Partition Types

major device numbers
Major and Minor Devices

MAKEDEV command
Device Files
Creating Device Files With MAKEDEV

manual pages
Additional Resources

metadata, filesystem
XLV Logical Volumes

miniroot, using for filesystem administration
Filesystem Administration From the Miniroot

minor device numbers
Major and Minor Devices

mkfs command
command line syntax
Converting a Filesystem on an Option Disk From EFS to XFS
Making an XFS Filesystem
Making an XFS Filesystem
example commands
Filesystem Creation
example output
Making an XFS Filesystem
Making an XFS Filesystem
for GRIO
Configuring a System for GRIO

mklv command
using to create a logical volume for an existing filesystem
Growing an EFS Filesystem Onto Another Disk
using to create new logical volumes
Creating New Logical Volume With mklv
using to extend logical volumes
Increasing the Size of a Logical Volume

mknod command
Creating Device Files With mknod
Device Files

mnemonic device file names
Creating Mnemonic Names for Device Files With ln

mount command
Manually Mounting Filesystems

mount point
Filesystem Mounting and Unmounting

mounting filesystems
CacheFS filesystems
Cache File Systems (CacheFS)
description
Filesystem Mounting and Unmounting
illustration
General Filesystem Concepts
Filesystem Mounting and Unmounting
methods
Filesystem Mounting and Unmounting

mpadmin command
Running ggd as a Real-time Process

named pipes
Types of Files

NetLS licenses
Disk Plexing Option
How to Use This Guide
Subvolumes
High Performance Guaranteed-Rate I/O
How to Use This Guide
System Administration for Guaranteed-Rate I/O

NFS compatibility
XFS Filesystems

NFS filesystems
Mounting a Remote Filesystem Automatically
Network File Systems (NFS)

non-scheduled reservations
Real-Time Scheduling, Deadline Scheduling, and Nonscheduled Reservations

obsolete manuals
About This Guide

optimal I/O size
/etc/grio_disks File Format
/etc/grio_config File Format
Configuring a System for GRIO

option disks
adding a new
Adding a New Option Disk
definition
System Disks, Option Disks, and Partition Layouts
possible partition layouts
System Disks, Option Disks, and Partition Layouts
turning into a system disk
Creating a New System Disk From IRIX

partitions. See disk partitions.
Disk Partitions

per-file guarantees
Per-File and Per-Filesystem Guarantees

per-filesystem guarantees
Per-File and Per-Filesystem Guarantees

platters, definition
Physical Disk Structure

plex revives
Adding a Plex to a Logical Volume
Plexes

plexes
adding to volumes
Adding a Plex to a Logical Volume
booting off alternate Root
Booting the System Off an Alternate Plex
checking for required software
Verifying That Plexing Is Supported
definition
Plexes
deleting
Deleting an XLV Object
detaching
Detaching a Plex From a Logical Volume
Disk Plexing Option
Subvolumes
How to Use This Guide
displaying
Displaying Logical Volume Objects
example of creating
Example 3: A Plexed Logical Volume for an XFS Filesystem With an External Log
Example 2: A Striped, Plexed Logical Volume
for Root filesystem
Creating Plexed Logical Volumes for Root
holes in address space
Plexes
To Plex or Not to Plex?
monitoring plex revives
Adding a Plex to a Logical Volume
mounting
Removing and Mounting a Plex
plex composition
Plexes
read and write errors
XLV Error Policy
removing
Removing and Mounting a Plex
See also logical volumes.
Plexes
volume element sizes
To Plex or Not to Plex?
when to use
To Plex or Not to Plex?

prerequisite hardware
Hardware Configuration Requirements for GRIO
XFS Filesystems

private guarantees
Private and Shared Guarantees

/proc filesystems
/proc Filesystem

prtvtoc command
and root disk partition device name
Converting Filesystems on the System Disk From EFS to XFS
description
Volume Headers
displaying disk partitions
Displaying a Disk's Partitions With prtvtoc

quot command
Identifying Accounts That Use Large Amounts of Disk Space

quotacheck command
Monitoring Disk Quotas

quotaoff command
Imposing Disk Quotas

quotaon command
Imposing Disk Quotas

quotas file
Imposing Disk Quotas

quotas subsystem
Disk Quotas

raw device files. See character device files.
Device Files

raw partition type
Partition Types

read continuous (RC) bit
Hardware Configuration Requirements for GRIO

real-time files
Real-Time Subvolumes

real-time process
Running ggd as a Real-time Process

real-time scheduling
Real-Time Scheduling, Deadline Scheduling, and Nonscheduled Reservations

real-time subvolumes
and utilities
Files on the Real-Time Subvolume and Commands
creating files
Real-Time Subvolumes
GRIO files
Guaranteed-Rate I/O Overview
hardware requirements
Hardware Configuration Requirements for GRIO
only real-time on disk
Subvolumes

reference pages
Additional Resources

relationship records
/etc/grio_config File Format

remote filesystems
Mounting a Remote Filesystem Automatically

repartitioning
definition
System Disks, Option Disks, and Partition Layouts
example
Creating a New System Disk From IRIX
Creating a System Disk From the PROM Monitor
See also disk partitions.
System Disks, Option Disks, and Partition Layouts

reserved partition
Disk Partitions

restore command
and XFS filesystems
XFS Filesystems
commands used during conversion to XFS
Converting a Filesystem on an Option Disk From EFS to XFS
Converting Filesystems on the System Disk From EFS to XFS

retry mechanisms
Hardware Configuration Requirements for GRIO

Root filesystem
and fsck
Filesystem Checking
and the miniroot
Filesystem Administration From the Miniroot
booting off an alternate plex
Booting the System Off an Alternate Plex
combining with Usr
Checking for Adequate Free Disk Space
converting to XFS
Converting Filesystems on the System Disk From EFS to XFS
definition
General Filesystem Concepts
dumping
Converting Filesystems on the System Disk From EFS to XFS
mounting and unmounting restrictions
Filesystem Mounting and Unmounting
on plexed logical volume
Creating Plexed Logical Volumes for Root
restoring all files
Converting Filesystems on the System Disk From EFS to XFS
restrictions
To Stripe or Not to Stripe?
running out of space
Running Out of Space in the Root Filesystem
standard directories
IRIX Directory Organization

root partition
Disk Partitions
and striping
To Stripe or Not to Stripe?
and XLV
Don't Use XLV When ...
combining with usr partition
Converting Filesystems on the System Disk From EFS to XFS
converting to XFS
Converting Filesystems on the System Disk From EFS to XFS
device name
Converting Filesystems on the System Disk From EFS to XFS

/root prefix for files
Filesystem Administration From the Miniroot

sash standalone program
Volume Headers

scripting XLV configurations
Creating a Record of XLV Logical Volume Configurations

SCSI address. See drive addresses.
Disk Drives Supported by IRIX

sgilabel
creating with fx
Volume Headers
description
Volume Headers

shared guarantees
Private and Shared Guarantees

soft guarantees
Hard and Soft Guarantees

special files. See device files.
Device Files

stripe unit
definition
Volume Elements
specifying for lv logical volumes
Creating Entries in the /etc/lvtab File

striped volume elements. See volume elements.
Volume Elements

striping disks
description and illustration
Introduction to Logical Volumes
restrictions
lv Logical Volumes

subvolumes
composition
Subvolumes
data subvolume definition
Subvolumes
displaying
Displaying Logical Volume Objects
log subvolume definition
Subvolumes
real time subvolume definition
Subvolumes
See also logical volumes.
Subvolumes
subvolume types
Subvolumes

super-blocks
EFS Filesystems
Phase 4 Error Messages

surfaces, definition
Physical Disk Structure

swap partition
Mounting Filesystems Automatically With the /etc/fstab File
Disk Partitions

symbolic links
as a type of file
Types of Files
Hard Links and Symbolic Links
dangling
Hard Links and Symbolic Links
definition
Hard Links and Symbolic Links
for older pathnames
IRIX Directory Organization

symmon standalone program
Volume Headers

system administration documentation
Additional Resources
IRIX Admin Manual Set

system disks
creating by cloning
Creating a New System Disk by Cloning
creating from IRIX
Creating a New System Disk From IRIX
creating from the PROM Monitor
Creating a System Disk From the PROM Monitor
definition
System Disks, Option Disks, and Partition Layouts
possible partition layouts
System Disks, Option Disks, and Partition Layouts
required disk partitions
System Disks, Option Disks, and Partition Layouts

temporary directories
cleaning
Cleaning Out Temporary Directories
setting TMPDIR
Running Out of Space in the Root Filesystem

tracks, definition
Physical Disk Structure

umount command
Unmounting Filesystems

unit number. See drive addresses.
Listing the Disks on a System With hinv

UNIX domain sockets
Types of Files

unmounting filesystems
methods
Filesystem Mounting and Unmounting
umount command
Unmounting Filesystems

Usr filesystem
combining with Root filesystem
Checking for Adequate Free Disk Space
converting to XFS
Converting Filesystems on the System Disk From EFS to XFS
dumping
Converting Filesystems on the System Disk From EFS to XFS
required for system operation
Filesystem Mounting and Unmounting
restoring all files
Converting Filesystems on the System Disk From EFS to XFS
standard directories
IRIX Directory Organization

usr partition
Disk Partitions
combining with root partition
Converting Filesystems on the System Disk From EFS to XFS
device name
Converting Filesystems on the System Disk From EFS to XFS

/usr/lib/libgrio.so
GRIO System Components

volhdr partition
Disk Partitions

volhdr partition type
Partition Types

volume elements
changing size with dvhtool
To Plex or Not to Plex?
definition
Volume Elements
deleting
Deleting an XLV Object
displaying
Displaying Logical Volume Objects
multipartition volume elements
Volume Elements
Concatenate Disk Partitions or Not?
single partition volume elements, definition
Volume Elements
striped, definition
Volume Elements
striped, example of creating
Example 2: A Striped, Plexed Logical Volume
striping, when to use
To Stripe or Not to Stripe?

volume header
adding files
Adding Files to the Volume Header With dvhtool
examining with dvhtool
Adding Files to the Volume Header With dvhtool
removing files
Removing Files in the Volume Header With dvhtool

volume headers
description
Volume Headers
when used
Volume Headers

volume partition
Disk Partitions

volume partition type
Partition Types

volumes. See logical volumes.
Volumes

xdkm command
Repartitioning a Disk With xdkm

XFS filesystems
adding space
How to Add Filesystem Space
and standard commands
XFS Filesystems
block sizes
Choosing the Filesystem Block Size and Extent Size
XFS Filesystems
changing size
“Steal” Space From Another Filesystem
checking for consistency
Filesystem Checking
Checking XFS Filesystem Consistency With xfs_check
commands
XFS Filesystems
converting a system disk
Converting Filesystems on the System Disk From EFS to XFS
converting an option disk
Converting a Filesystem on an Option Disk From EFS to XFS
copying with xfs_check
Copying XFS Filesystems With xfs_copy
corruption
Filesystem Corruption
Checking XFS Filesystem Consistency With xfs_check
creating
Filesystem Creation
Filesystem Creation
description
XFS Filesystems
extents
XFS Filesystems
features
XFS Filesystems
filesystem on a new disk partition
Making an XFS Filesystem
history
What This Guide Contains
inodes
Inodes
journaling information
Subvolumes
logs. See logs.
Choosing the Log Type and Size
making filesystems
Making an XFS Filesystem
maximum file size
XFS Filesystems
maximum filesystem size
XFS Filesystems
mounting
Mounting and Unmounting Filesystems
Filesystem Mounting and Unmounting
names
Filesystem Names
on system disk
Converting Filesystems on the System Disk From EFS to XFS
preparing to make filesystems
Planning for XFS Filesystems
restore compatibility
XFS Filesystems
unmounting
Unmounting Filesystems
Filesystem Mounting and Unmounting

xfs partition type
Partition Types

xfs_check command
description
Filesystem Checking
how to use
Checking XFS Filesystem Consistency With xfs_check
reporting and repairing problems
Checking XFS Filesystem Consistency With xfs_check

xfs_copy command
Copying XFS Filesystems With xfs_copy

xfs_estimate command
Checking for Adequate Free Disk Space

xfs_growfs command
description
Grow a Filesystem Onto Another Disk
example
Adding a Volume Element to a Plex (Growing a Logical Volume)
extending a filesystem onto a logical volume
Growing an XFS Filesystem Onto Another Disk

xfsdump command
XFS Filesystems

xfslog partition
Disk Partitions

xfslog partition type
Partition Types

xfsm command
creating an XFS filesystem
Making an XFS Filesystem
mounting and unmounting filesystems
Mounting and Unmounting Filesystems

xfsrestore command
XFS Filesystems

XLV logical volumes
configuring system for more than ten
Configuring the System for More Than Ten XLV Logical Volumes
converting lv logical volumes
Converting lv Logical Volumes to XLV Logical Volumes
creating out of old and new disks
Growing an XFS Filesystem Onto Another Disk
creating spare objects
Adding a Volume Element to a Plex (Growing a Logical Volume)
daemons
XLV Daemons
don't use XLV when ...
Don't Use XLV When ...
error policy
XLV Error Policy
history
What This Guide Contains
names
Introduction to Logical Volumes
no configuration file
XLV Daemons
overview
XLV Logical Volumes
planning logical volumes
XLV Logical Volume Planning
recording configuration
Creating a Record of XLV Logical Volume Configurations
See also logical volumes.
Logical Volume Concepts
with EFS
XLV Logical Volumes

xlv partition type
Partition Types

xlv_labd daemon
XLV Daemons

xlv_make command
and disk partition types
Example 1: A Simple Logical Volume
GRIO example
Configuring a System for GRIO
using to create a logical volume for an existing filesystem
Growing an XFS Filesystem Onto Another Disk
using to create volume objects
Creating Volume Objects With xlv_make

xlv_mgr command
adding a plex
Adding a Plex to a Logical Volume
checking that plexing software is installed
Verifying That Plexing Is Supported
deleting volume objects
Deleting an XLV Object
detaching a plex
Detaching a Plex From a Logical Volume
displaying objects
Displaying Logical Volume Objects
growing a volume
Adding a Volume Element to a Plex (Growing a Logical Volume)

xlv_plexd daemon
XLV Daemons
Removing and Mounting a Plex

xlvd daemon
XLV Daemons

xlvlab logical volume labels. See logical volume labels.
Volume Headers

xlvm command
Creating and Administering XLV Logical Volumes