HP XP P9500 Storage - Manual (Page 5)

4 Configuring thin provisioning ....................................................................62
Smart Tiers overview...............................................................................................................62
Thin Provisioning overview.......................................................................................................62
Thin provisioning requirements.................................................................................................62
Thin Provisioning license requirements...................................................................................62
Smart Tiers License requirements..........................................................................................63
Pool requirements...............................................................................................................63
Pool-VOL requirements........................................................................................................64
THP V-VOL requirements......................................................................................................65
Requirements for increasing THP V-VOL capacity....................................................................66
Operating system and file system capacity............................................................................67
Using Thin Provisioning and Smart Tiers with other P9500 products...............................................68
Interoperability of THP V-VOLs and pool-VOLs........................................................................68
Continuous Access Synchronous...........................................................................................70
Continuous Access Journal..................................................................................................70
Business Copy...................................................................................................................70
Snapshot..........................................................................................................................71
Cache Partition CLPR setting................................................................................................71
Auto LUN..........................................................................................................................71
Resource Partition...............................................................................................................71
Thin Provisioning workflow.......................................................................................................71
Smart Tiers............................................................................................................................72
About tiered storage...........................................................................................................72
Tier monitoring and data relocation......................................................................................72
Smart Pool........................................................................................................................72
Tier monitoring and relocation cycles....................................................................................73
Tier relocation flow............................................................................................................73
Tier relocation rules, restrictions, and guidelines.....................................................................76
Collected monitoring information is discarded.......................................................................77
Tier relocation is canceled..................................................................................................77
Buffer area of a tier............................................................................................................78
Smart Tiers cache specifications and requirements..................................................................79
Execution modes for tier relocation.......................................................................................79
Execution modes when using Remote Web Console and RAID Manager..............................79
Viewing monitor and tier relocation information................................................................80
Execution modes when using RAID Manager....................................................................80
Viewing monitor and tier relocation information................................................................81
Monitoring modes..............................................................................................................82
Cautions when using monitoring modes...........................................................................82
Monitor status...................................................................................................................83
Notes on performing monitoring..........................................................................................83
Downloading the tier relocation log file................................................................................83
Tier relocation log file contents........................................................................................84
Tiering Policy function.........................................................................................................84
Tiering policy examples..................................................................................................85
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..........................................................87
Example of reserving tier capacity...................................................................................87
Notes on setting tiering policy.........................................................................................88
Execution mode settings and tiering policy........................................................................89
Changing the tiering policy level of a THP V-VOL...................................................................90
Smart Tiers workflow..........................................................................................................90
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