HP XP7 User Manual page 5

Using Thin Provisioning Z or Smart Tiers Z with other HP XP7 Storage products...............................64
Interoperability of THP V-VOLs and pool-VOLs........................................................................64
Continuous Access Synchronous Z........................................................................................65
Continuous Access Journal Z ..............................................................................................66
Business Copy Z................................................................................................................67
Auto LUN .........................................................................................................................68
Cache Partition CLPR setting................................................................................................69
Resource Partition...............................................................................................................69
Thin Provisioning Z workflow....................................................................................................69
Smart Tiers Z.........................................................................................................................70
About tiered storage...........................................................................................................70
Tier monitoring and data relocation......................................................................................71
Smart Pool........................................................................................................................71
Tier monitoring and relocation cycles....................................................................................71
Tier relocation flow............................................................................................................75
Tier relocation rules, restrictions, and guidelines.....................................................................77
Conditions for the discontinuance of performance monitoring or tier relocation..........................78
Buffer area of a tier............................................................................................................80
Setting external volumes for each tier....................................................................................81
Execution modes for tier relocation.......................................................................................82
Execution modes when using Remote Web Console...........................................................82
Execution modes when using RAID Manager....................................................................85
Relocation speed...............................................................................................................87
Monitoring modes..............................................................................................................87
Cautions when using monitoring modes...........................................................................88
Downloading the tier relocation log file................................................................................89
Tier relocation log file contents........................................................................................89
Tiering policy....................................................................................................................92
Tiering policy expansion................................................................................................93
Tiering policy examples..................................................................................................93
Setting tiering policy on a THP V-VOL..............................................................................94
Tiering policy levels.......................................................................................................95
Viewing the tiering policy in the performance graph..........................................................95
Reserving tier capacity when setting a tiering policy..........................................................96
Example of reserving tier capacity...................................................................................97
Notes on tiering policy settings.......................................................................................98
Execution mode settings and tiering policy......................................................................100
New page assignment tier...........................................................................................100
Relocation priority.......................................................................................................102
Assignment tier when pool-VOLs are deleted...................................................................103
Formatted pool capacity..............................................................................................104
Used capacity, mapped capacity, and reserved capacity.................................................104
Rebalancing the usage level among parity groups...........................................................104
Changing the tiering policy level on a THP V-VOL............................................................105
Changing new page assignment tier of a V-VOL..................................................................105
Opening the Edit Tiering Policies window............................................................................106
Changing a tiering policy.................................................................................................106
Changing relocation priority setting of a V-VOL....................................................................107
Smart Tiers Z workflow.....................................................................................................108
Smart Tiers Z tasks and parameters....................................................................................109
Task and parameter settings.........................................................................................110
Display items: Setting parameters..................................................................................111
Display items: Capacity usage for each tier....................................................................112
Display items: Performance monitor statistics...................................................................112
Display items: Operation status of performance monitor/relocation....................................112
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