HP XP P9500 Storage - Manual (Page 5)

Formatting all LDEVs in a parity group..................................................................................60
Assigning a processor blade ...................................................................................................61
Assigning a processor blade to a resource............................................................................61
Changing the processor blade assigned to an LDEV...............................................................61
Using a system disk................................................................................................................62
System disk rules, restrictions, and guidelines.........................................................................63
4 Configuring expanded LU provisioning........................................................64
About LUSE ...........................................................................................................................64
LUN Expansion license requirements.........................................................................................64
LUSE configuration example.....................................................................................................64
LUSE configuration rules, restrictions, and guidelines...................................................................65
LUSE operations using a path-defined LDEV................................................................................66
LUSE provisioning workflow......................................................................................................67
Opening the LUN Expansion window........................................................................................67
Viewing a concatenated parity group........................................................................................68
Creating a LUSE volume .........................................................................................................68
Resetting an unregistered LUSE volume......................................................................................71
Maintaining LUSE volumes.......................................................................................................71
Viewing LUSE volume details...............................................................................................71
Changing capacity on a LUSE volume..................................................................................72
Releasing a LUSE volume....................................................................................................72
5 Configuring thin provisioning ....................................................................74
Thin Provisioning overview.......................................................................................................74
Smart Tiers overview...............................................................................................................74
Thin provisioning requirements.................................................................................................74
License requirements...........................................................................................................74
Pool requirements...............................................................................................................75
Pool-VOL requirements........................................................................................................76
THP V-VOL requirements......................................................................................................77
Requirements for increasing THP V-VOL capacity....................................................................78
Operating system and file system capacity............................................................................79
Using Thin Provisioning or Smart Tiers with other P9500 products.................................................80
Interoperability of THP V-VOLs and pool-VOLs........................................................................80
Business Copy pair status for reclaiming zero pages...............................................................83
Continuous Access Synchronous...........................................................................................83
Continuous Access Journal..................................................................................................84
Business Copy...................................................................................................................84
Snapshot..........................................................................................................................85
Fast Snap.........................................................................................................................85
Cache Partition CLPR setting................................................................................................85
Auto LUN..........................................................................................................................85
Resource Partition...............................................................................................................85
Thin Provisioning workflow.......................................................................................................86
Smart Tiers............................................................................................................................87
About tiered storage...........................................................................................................87
Tier monitoring and data relocation......................................................................................87
Smart Pool........................................................................................................................87
Tier monitoring and relocation cycles....................................................................................87
Tier relocation flow............................................................................................................94
Tier relocation rules, restrictions, and guidelines.....................................................................96
Buffer area of a tier............................................................................................................99
Setting external volumes for each tier...............................................................................99
Smart Tiers cache specifications and requirements................................................................101
Execution modes for tier relocation.....................................................................................101
Contents 5