HP XP7 Provisioning for Mainframe Systems User Guide (H6F56-96008)

Smart Tiers Z workflow.....................................................................................................104
Smart Tiers Z tasks and parameters....................................................................................105
Task and parameter settings.........................................................................................106
Display items: Setting parameters..................................................................................107
Display items: Capacity usage for each tier....................................................................108
Display items: Performance monitor statistics...................................................................108
Display items: Operation status of performance monitor/relocation....................................108
Managing Smart Tiers Z...................................................................................................108
Changing pool for Thin Provisioning Z to pool for Smart Tiers Z........................................108
Changing monitoring and tier relocation settings.............................................................110
Changing monitoring mode setting................................................................................110
Changing relocation speed..........................................................................................111
Changing buffer space for tier relocation setting.............................................................111
Changing a pool for Smart Tiers Z to a pool for Thin Provisioning Z............................................112
Working with pools..............................................................................................................112
About pools....................................................................................................................112
About pool-VOLs..............................................................................................................113
Pool status..................................................................................................................113
Creating a pool..........................................................................................................113
Working with THP V-VOLs......................................................................................................122
About THP V-VOLs...........................................................................................................122
Relationship between a pool and THP V-VOLs......................................................................122
Creating V-VOLs..............................................................................................................122
Editing a THP V-VOL's SSID...............................................................................................125
Changing THP V-VOL settings............................................................................................126
Removing the THP V-VOL to be registered............................................................................126
Monitoring capacity and performance....................................................................................127
Monitoring pool capacity..................................................................................................127
Monitoring pool usage levels.............................................................................................127
Monitoring performance...................................................................................................127
Managing I/O usage rates example.............................................................................128
Tuning with Smart Tiers Z..................................................................................................128
Thresholds...........................................................................................................................129
Pool utilization thresholds..................................................................................................129
Pool subscription limit.......................................................................................................129
Changing pool thresholds.................................................................................................130
Changing the pool subscription limit...................................................................................130
Working with SIMs...............................................................................................................131
About SIMs.....................................................................................................................131
SIM reference codes.........................................................................................................131
Automatic completion of a SIM .........................................................................................132
Manually completing a SIM...................................................................................................132
Managing pools and THP V-VOLs...........................................................................................133
Viewing pool information..................................................................................................133
Viewing formatted pool capacity........................................................................................133
Viewing the progress of rebalancing the usage level among parity groups ..............................134
Increasing pool capacity...................................................................................................134
Changing a pool name....................................................................................................135
Recovering a blocked pool................................................................................................135
Decrease pool capacity....................................................................................................136
About decreasing pool capacity....................................................................................136
Decreasing pool capacity.............................................................................................138
Stopping the decrease of pool capacity.........................................................................138
Deleting a tier in a pool....................................................................................................138
Deleting a pool...............................................................................................................139
6 Contents