HP XP7 User Manual page 6

Managing Smart Tiers Z...................................................................................................112
Configuring a Thin Provisioning Z pool for Smart Tiers Z..................................................112
Changing monitoring and tier relocation settings.............................................................114
Changing monitoring mode settings..............................................................................115
Changing relocation speed..........................................................................................116
Changing buffer space for new page assignment setting..................................................116
Changing buffer space for tier relocation setting.............................................................117
Configuring a Smart Tiers Z pool for Thin Provisioning Z............................................................117
Working with pools..............................................................................................................118
About pools....................................................................................................................118
About pool-VOLs..............................................................................................................119
Creating pools................................................................................................................119
Working with THP V-VOLs......................................................................................................128
About THP V-VOLs...........................................................................................................128
Relationship between a pool and THP V-VOLs......................................................................128
Creating Volumes............................................................................................................128
Editing the SSID of a THP V-VOL SSID.................................................................................132
Changing THP V-VOL settings............................................................................................132
Removing the THP V-VOL to be registered............................................................................133
Monitoring capacity and performance....................................................................................134
Monitoring pool capacity..................................................................................................134
Monitoring performance...................................................................................................134
Managing I/O usage rates example.............................................................................135
Tuning with Smart Tiers Z..................................................................................................135
Thresholds...........................................................................................................................135
Pool utilization thresholds..................................................................................................135
Pool subscription limit.......................................................................................................136
Changing pool thresholds.................................................................................................137
Changing the pool subscription limit...................................................................................137
Working with SIMs...............................................................................................................138
About SIMs.....................................................................................................................138
SIM reference codes.........................................................................................................138
Automatic completion of a SIM..........................................................................................139
Manually completing a SIM...................................................................................................139
Managing pools and THP V-VOLs...........................................................................................140
Viewing pool information..................................................................................................140
Viewing used pool capacity..............................................................................................141
Viewing the used capacity for each pool........................................................................141
Viewing formatted pool capacity........................................................................................142
Viewing the progress of rebalancing the usage level among parity groups...............................143
Increasing pool capacity...................................................................................................143
Changing a pool name....................................................................................................145
Recovering a blocked pool................................................................................................145
Decrease pool capacity....................................................................................................146
About decreasing pool capacity....................................................................................146
Decreasing pool capacity.............................................................................................148
Stopping the decrease of pool capacity.........................................................................148
Deleting a tier in a pool....................................................................................................149
Deleting a pool...............................................................................................................150
Changing external LDEV tier rank......................................................................................151
Increasing THP V-VOL capacity..........................................................................................151
Changing the name of a THP V-VOL...................................................................................152
About releasing pages in a THP V-VOL...............................................................................153
Releasing pages in a THP V-VOL...................................................................................154
Stopping the release of pages in a THP V-VOL................................................................155
6 Contents