HP XP P9000 Provisioning for Mainframe Systems User Guide

Thin provisioning requirements.................................................................................................54
License requirements...........................................................................................................54
Pool requirements...............................................................................................................55
Pool-VOL requirements........................................................................................................56
THP V-VOL requirements......................................................................................................57
Requirements for increasing THP V-VOL capacity....................................................................58
Using Thin Provisioning Z or Smart Tiers Z with other P9500 products...........................................59
Interoperability of THP V-VOLs and pool-VOLs........................................................................59
Continuous Access Synchronous Z........................................................................................60
Continuous Access Journal Z...............................................................................................61
Business Copy Z................................................................................................................61
Cache Partition CLPR setting................................................................................................62
Auto LUN..........................................................................................................................62
Resource Partition...............................................................................................................62
Thin Provisioning Z workflow....................................................................................................62
Smart Tiers Z.........................................................................................................................63
About tiered storage...........................................................................................................63
Tier monitoring and data relocation......................................................................................64
Smart Pool........................................................................................................................64
Tier monitoring and relocation cycles....................................................................................64
Tier relocation flow............................................................................................................70
Tier relocation rules, restrictions, and guidelines.....................................................................72
Buffer area of a tier............................................................................................................75
Setting external volumes for each tier...............................................................................75
Smart Tiers Z cache specifications and requirements...............................................................77
Execution modes for tier relocation.......................................................................................77
Execution modes when using Remote Web Console...........................................................77
Execution modes when using RAID Manager....................................................................79
Monitoring modes..............................................................................................................81
Cautions when using monitoring modes...........................................................................82
Notes on performing monitoring..........................................................................................82
Downloading the tier relocation log file................................................................................82
Tier relocation log file contents........................................................................................83
Tiering policy....................................................................................................................83
Tiering policy expansion................................................................................................84
Tiering policy examples..................................................................................................84
Setting tiering policy on a THP V-VOL..............................................................................85
Tiering policy levels.......................................................................................................86
Viewing the tiering policy in the performance graph..........................................................86
Reserving tier capacity when setting a tiering policy..........................................................88
Example of reserving tier capacity...................................................................................88
Notes on tiering policy settings.......................................................................................90
New page assignment tier.............................................................................................91
Relocation priority.........................................................................................................92
Assignment tier when pool-VOLs are deleted.....................................................................93
Formatted pool capacity................................................................................................94
Rebalancing the usage level among pool-VOLs.................................................................94
Execution mode settings and tiering policy........................................................................95
Changing the tiering policy level on a THP V-VOL..............................................................96
Changing new page assignment tier of a V-VOL....................................................................97
Opening the Edit Tiering Policies window..............................................................................97
Changing a tiering policy...................................................................................................97
To change the tiering policy............................................................................................97
Changing relocation priority setting of a V-VOL......................................................................98
Smart Tiers Z workflow.......................................................................................................99
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