Veritas™ File System Administrator's Guide

Article:DOC4527  |  Created: 2011-07-26  |  Updated: 2014-05-14  |  Article URL http://www.symantec.com/docs/DOC4527
Article Type
Documentation

Product(s)

Environment

Description



Veritas™ File System Administrator's Guide

Contents

1. Introducing Veritas File System
About Veritas File System
Logging
Extents
File system disk layouts
Veritas File System features
Extent-based allocation
Extent attributes
Fast file system recovery
Extended mount options
Enhanced data integrity modes
Enhanced performance mode
Temporary file system mode
Improved synchronous writes
Support for large files
Access Control Lists
Storage Checkpoints
FileSnaps
Quotas
Support for databases
Cluster file systems
Cross-platform data sharing
File Change Log
Multi-volume support
SmartTier
Thin Reclamation of a file system
Veritas File System performance enhancements
About enhanced I/O performance
Using Veritas File System
Veritas Operations Manager
Online system administration
Application program interface
2. VxFS performance: creating, mounting, and tuning file systems
Creating a VxFS file system
Block size
Intent log size
Mounting a VxFS file system
The log mode
The delaylog mode
The tmplog mode
The logiosize mode
The nodatainlog mode
The blkclear mode
The mincache mode
The convosync mode
The ioerror mode
The largefiles|nolargefiles option
The cio option
The mntlock|mntunlock option
Combining mount command options
Tuning the VxFS file system
Tuning inode table size
Tuning performance optimization of inode allocation
vx_maxlink
Veritas Volume Manager maximum I/O size
Monitoring free space
Monitoring fragmentation
Thin Reclamation
Tuning I/O
Tuning VxFS I/O parameters
Tunable I/O parameters
File system tuning guidelines
3. Extent attributes
About extent attributes
Reservation: preallocating space to a file
Fixed extent size
Other controls
Commands related to extent attributes
Example of setting an extent attribute
Example of getting an extent attribute
Failure to preserve extent attributes
4. Veritas File System I/O
About Veritas File System I/O
Buffered and Direct I/O
Direct I/O
Unbuffered I/O
Data synchronous I/O
Concurrent I/O
Cache advisories
Freezing and thawing a file system
Getting the I/O size
Enabling and disabling Concurrent I/O for a DB2 database
Enabling Concurrent I/O
Disabling Concurrent I/O
Enabling and disabling Concurrent I/O for a Sybase database
Enabling Concurrent I/O for a Sybase database
Disabling Concurrent I/O for a Sybase database
5. Quotas
About quota limits
About quota files on Veritas File System
About quota commands
About quota checking with Veritas File System
Using quotas
Turning on quotas
Turning on quotas at mount time
Editing user and group quotas
Modifying time limits
Viewing disk quotas and usage
Displaying blocks owned by users or groups
Turning off quotas
6. File Change Log
About File Change Log
About the File Change Log file
File Change Log administrative interface
File Change Log programmatic interface
Summary of API functions
Reverse path name lookup
7. Multi-volume file systems
About multi-volume support
About volume types
Features implemented using multi-volume support
Volume availability
About volume sets
Creating and managing volume sets
Creating multi-volume file systems
Example of creating a multi-volume file system
Converting a single volume file system to a multi-volume file system
Adding a volume to and removing a volume from a multi-volume file system
Adding a volume to a multi-volume file system
Removing a volume from a multi-volume file system
Forcibly removing a volume
Moving volume 0
Volume encapsulation
Encapsulating a volume
Deencapsulating a volume
Reporting file extents
Examples of reporting file extents
Load balancing
Defining and assigning a load balancing allocation policy
Rebalancing extents
Converting a multi-volume file system to a single volume file system
Converting to a single volume file system
8. Quick I/O for Databases
About Quick I/O
About Quick I/O functionality and performance
About asynchronous I/O kernel support
About direct I/O support
About Kernel write locks avoidance
About double buffering avoidance
About using Veritas File System files as raw character devices
About the Quick I/O naming convention
About use restrictions
About creating a Quick I/O file using qiomkfile
Creating a Quick I/O file using qiomkfile
Accessing regular VxFS files through symbolic links
About absolute and relative path names
Preallocating files using the setext command
Using Quick I/O with Oracle databases
Using Quick I/O with Sybase databases
Using Quick I/O with DB2 databases
Creating database containers as Quick I/O files using qiomkfile with DB2 databases
Preallocating space for Quick I/O files using the setext command with DB2 databases
Displaying Quick I/O status and file attributes with DB2 databases
Enabling and disabling Quick I/O
About Cached Quick I/O for databases
Enabling Cached Quick I/O
About Quick I/O statistics
Increasing database performance using Quick I/O
9. Using Veritas Extension for Oracle Disk Manager
About Oracle Disk Manager
How Oracle Disk Manager improves database performance
About Oracle Disk Manager and Storage Foundation Cluster File System
About Oracle Disk Manager and Oracle Managed Files
How Oracle Disk Manager works with Oracle Managed Files
Setting up Veritas Extension for Oracle Disk Manager
Linking the Veritas extension for Oracle Disk Manager library into Oracle home
Preparing existing database storage for Oracle Disk Manager
Converting Quick I/O files to Oracle Disk Manager files
Verifying that Oracle Disk Manager is configured
Disabling the Oracle Disk Manager feature
Using Cached ODM
Enabling Cached ODM for file systems
Modifying Cached ODM settings for individual files
Adding Cached ODM settings via the cachemap
Making the caching settings persistent across mounts
A. Quick Reference
Command summary
Online manual pages
Creating a VxFS file system
Example of creating a file system
Converting a file system to VxFS
Example of converting a file system
Mounting a file system
Mount options
Example of mounting a file system
Editing the vfstab file
Unmounting a file system
Example of unmounting a file system
Displaying information on mounted file systems
Example of displaying information on mounted file systems
Identifying file system types
Example of determining a file system's type
Resizing a file system
Extending a file system using fsadm
Shrinking a file system
Reorganizing a file system
Using quotas
Turning on quotas
Setting up user quotas
Viewing quotas
Turning off quotas
B. Diagnostic messages
File system response to problems
Recovering a disabled file system
About kernel messages
About global message IDs
Kernel messages
About unique message identifiers
Unique message identifiers
Dewey kernel messages
V-2-1
V-2-2
V-2-3
V-2-4
V-2-5
V-2-6
V-2-7
V-2-8
V-2-9
V-2-10
V-2-11
V-2-12
V-2-13
V-2-14
V-2-15
V-2-16
V-2-17
V-2-19
V-2-20
V-2-21
V-2-22
V-2-23
V-2-24
V-2-25
V-2-26
V-2-27
V-2-28
V-2-29
V-2-30
V-2-31
V-2-32
V-2-33
V-2-34
V-2-35
V-2-36
V-2-37
V-2-38
V-2-39
V-2-40
V-2-41
V-2-42
V-2-43
V-2-44
V-2-45
V-2-46
V-2-47
V-2-48
V-2-49
V-2-56
V-2-57
V-2-58
V-2-59
V-2-60
V-2-61
V-2-62
V-2-63
V-2-64
V-2-66
V-2-67
V-2-68
V-2-69
V-2-70
V-2-71
V-2-72
V-2-75
V-2-76
V-2-77
V-2-78
V-2-79
V-2-80
V-2-81
V-2-82
V-2-83
V-2-84
V-2-85
V-2-86
V-2-87
V-2-88
V-2-89
V-2-90
V-2-91
V-2-92
V-2-96
V-2-97
V-2-98
V-2-99
V-2-101
V-2-102
V-2-103
V-2-104
V-2-105
V-2-106
V-2-107
V-2-108
V-2-109
V-2-110
V-2-111
Dewey UMI messages
V-3-20002
V-3-20003
V-3-20005
V-3-20012
V-3-20076
V-3-21256
V-3-21264
V-3-21268
V-3-21272
V-3-23729
V-3-24996
C. Disk layout
About disk layouts
VxFS Version 6 disk layout
VxFS Version 7 disk layout
VxFS Version 8 disk layout
Using UNIX Commands on File Systems Larger than One TB

Attachments

vxfs_admin_51sp1_sol.pdf (2.6 MBytes)

Legacy ID



uxrt-51sp1_vxfs_admin_51sp1_v52073595


Article URL http://www.symantec.com/docs/DOC4527


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