Veritas Storage Foundation 5.1 SP1 Advanced Features Administrator"s Guide (5900-1503, April 2011)

File placement policy grammar ..................................................... 346
File placement policy rules ........................................................... 347
SELECT statement ................................................................ 348
CREATE statement ............................................................... 351
RELOCATE statement ........................................................... 353
DELETE statement ................................................................ 367
Calculating I/O temperature and access temperature ........................ 369
Multiple criteria in file placement policy rule statements ................... 373
Multiple file selection criteria in SELECT statement clauses ......... 373
Multiple placement classes in <ON> clauses of CREATE
statements and in <TO> clauses of RELOCATE statements
................................................................................... 374
Multiple placement classes in <FROM> clauses of RELOCATE
and DELETE statements .................................................. 375
Multiple conditions in <WHEN> clauses of RELOCATE and
DELETE statements ....................................................... 375
File placement policy rule and statement ordering ............................ 376
File placement policies and extending files ...................................... 378
Using SmartTier with solid state disks ........................................... 378
Fine grain temperatures ........................................................ 379
Prefer mechanism ................................................................ 379
Average I/O activity .............................................................. 380
Frequent scans ..................................................................... 380
Quick identification of cold files .............................................. 381
Example placement policy when using solid state disks ............... 382
Section 6 Migrating data ............................................................. 387
Chapter 26 Understanding data migration ....................................... 389
Types of data migration ............................................................... 389
Chapter 27 Offline data migration ...................................................... 391
About migrating Logical Volume Manager to VxVM .......................... 391
About VxVM and LVM ................................................................. 391
Introducing Veritas Volume Manager ....................................... 391
VxVM and LVM—conceptual comparison .................................. 394
Coexistence of VxVM and LVM disks ........................................ 399
Converting LVM to VxVM ............................................................ 400
About LVM to VxVM conversion ............................................. 400
Converting unused LVM physical volumes to VxVM disks ............ 401
Converting LVM volume groups to VxVM disk groups ................. 402
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