HP P9000 Provisioning for Mainframe Systems User Guide (AV400-96369, October 2011)

3 Configuring custom-sized provisioning.........................................................26
Virtual LVI/Virtual LUN functions...............................................................................................26
VLL requirements.....................................................................................................................26
VLL specifications....................................................................................................................26
Virtual LVI specifications for mainframe systems......................................................................26
CV capacity by emulation type for mainframe systems............................................................27
SSID requirements ..................................................................................................................28
VLL size calculations................................................................................................................28
Calculating the size of a mainframe volume...........................................................................28
Calculating OPEN-V volume size (CV capacity unit is blocks)...................................................29
Calculating fixed-size open-systems volume size (CV capacity unit is blocks)..............................30
Calculating the size of a CV using Enhanced mode on SATA drives..........................................30
Management area capacity of a mainframe volume..........................................................32
Boundary values for RAID levels (Enhanced mode on SATA drives)......................................32
Boundary values for RAID levels (other than Enhanced mode on SATA drives).......................32
Capacity of a slot..........................................................................................................32
Calculated management area capacities (SATA-E drive).....................................................32
Create LDEV function..............................................................................................................33
Creating an LDEV..............................................................................................................33
Finding an LDEV ID............................................................................................................35
Finding an LDEV SSID ........................................................................................................36
Editing an LDEV SSID ........................................................................................................36
Changing LDEV settings......................................................................................................36
Removing an LDEV to be registered......................................................................................37
Blocking an LDEV...................................................................................................................37
Restoring a blocked LDEV........................................................................................................37
Editing an LDEV name.............................................................................................................38
Deleting an LDEV (converting to free space)...............................................................................38
Formatting LDEVs....................................................................................................................39
About formatting LDEVs......................................................................................................39
Storage system operation when LDEVs are formatted..............................................................39
Quick Format function.........................................................................................................39
Quick Format specifications............................................................................................40
Write-to-control Blocks function............................................................................................40
Formatting a specific LDEV..................................................................................................41
Formatting all LDEVs in a parity group..................................................................................41
Making external mainframe volumes usable...............................................................................41
Registering external mainframe volumes................................................................................41
Overwriting control blocks in specific external volumes............................................................42
Assigning a processor blade ...................................................................................................43
Assigning a processor blade to a resource............................................................................43
Changing the processor blade assigned to an LDEV...............................................................43
Using a system disk................................................................................................................43
System disk rules, restrictions, and guidelines.........................................................................44
4 Configuring thin provisioning ....................................................................46
Thin Provisioning Z overview....................................................................................................46
Thin provisioning requirements.................................................................................................46
Thin Provisioning Z license requirements................................................................................46
Pool requirements...............................................................................................................46
Pool-VOL requirements........................................................................................................47
THP V-VOL requirements......................................................................................................48
Requirements for increasing THP V-VOL capacity....................................................................48
Using Thin Provisioning Z with other P9500 products...................................................................50
Interoperability of THP V-VOLs and pool-VOLs........................................................................50
4 Contents