Veritas™ File System 5.0.1 Programmer's Reference Guide

vxfs_inotopath_gen ................................................................ 49
Chapter 3 Multi-volume support ......................................................... 51
About multi-volume support .......................................................... 51
Uses for multi-volume support ....................................................... 52
Volume application programming interfaces ..................................... 52
Administering volume sets ...................................................... 53
Querying the volume set for a file system ................................... 53
Modifying a volume within a file system ..................................... 53
Encapsulationg and de-encapsulating a volume ........................... 54
Allocation policy application programming interfaces ........................ 54
Directing file allocations ......................................................... 55
Creating and assigning policies ................................................. 56
Querying the defined policies ................................................... 57
Enforcing a policy .................................................................. 57
Data structures ............................................................................ 58
Using policies and application programming interfaces ...................... 59
Defining and assigning allocation policies .................................. 59
Using volume application programming interfaces ...................... 60
Chapter 4 Named data streams .......................................................... 63
About named data streams ............................................................. 63
Uses for named data streams .......................................................... 64
Named data streams application programming interface ..................... 64
Listing named data streams ........................................................... 66
Namespace for named data streams ................................................. 67
Behavior changes in other system calls ............................................ 67
Querying named data streams ........................................................ 68
Application programming interface ................................................. 69
Command reference ..................................................................... 69
Chapter 5 Veritas File System I/O ....................................................... 71
About Veritas File System I/O ......................................................... 71
Freeze and thaw ........................................................................... 71
Caching advisories ....................................................................... 73
Direct I/O ............................................................................. 74
Concurrent I/O ...................................................................... 75
Unbuffered I/O ...................................................................... 76
Other advisories .................................................................... 76
Extents ...................................................................................... 76
Extent attributes .................................................................... 77
Contents8