Veritas File System 5.0 AdministratorÆs Guide, HP-UX 11i v3, First Edition, May 2008

Rebalancing extents .............................................................. 129
Converting a multi-volume file system to a single volume file
system ................................................................................ 130
Converting to a single volume file system .................................. 130
Chapter 10 Dynamic Storage Tiering
About Dynamic Storage Tiering ..................................................... 133
Placement classes ....................................................................... 134
Tagging volumes as placement classes ...................................... 135
Listing placement classes ....................................................... 136
Administering placement policies .................................................. 136
Assigning a placement policy .................................................. 137
Unassigning a placement policy .............................................. 137
Analyzing the space impact of enforcing a placement policy ......... 137
Querying which files will be affected by enforcing a placement
policy ........................................................................... 137
Enforcing a placement policy .................................................. 138
Validating a placement policy ................................................. 139
File placement policy grammar ..................................................... 139
File placement policy rules ........................................................... 153
SELECT statement ................................................................ 153
CREATE statement ................................................................ 157
RELOCATE statement ............................................................ 159
DELETE statement ................................................................ 170
Calculating I/O temperature and access temperature ......................... 171
Multiple criteria in file placement policy rule statements ................... 175
Multiple file selection criteria in SELECT statement clauses ......... 175
Multiple placement classes in <ON> clauses of CREATE
statements and in <TO> clauses of RELOCATE statements
.................................................................................... 177
Multiple placement classes in <FROM> clauses of RELOCATE
and DELETE statements .................................................. 178
Multiple conditions in <WHEN> clauses of RELOCATE and
DELETE statements ........................................................ 178
File placement policy rule and statement ordering ............................ 178
File placement policies and extending files ...................................... 181
Appendix A Quick Reference
Command summary .................................................................... 183
Online manual pages ................................................................... 186
Creating a VxFS file system .......................................................... 192
Example of creating a file system ............................................. 193
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