HP StorageWorks XP Remote Web Console Software - Manual (Page 12)

Figure 1 Example of a CLPR
To create a CLPR, allocate the parity groups to CLPR. For instructions on allocating parity groups, see
Working with CLPRs .
To create and manage a CLPR, you need user authority for the array. For more information about
user authority, see
Partition administration and administrator rights and the HP StorageWorks XP
Remote Web Console user guide for XP12000/XP10000/SVS200.
To manage cache memory using the functions in Cache LUN XP or Partial Cache Residence (PCR),
you can set up the cache area for Cache LUN XP and PCR in each CLPR. For more information, see
the HP StorageWorks Cache LUN XP user guide for the XP12000/XP10000/SVS200.
• Capacity criteria when creating a CLPR
If you create a CLPR, use the following formula to calculate the cache capacity allocated to the
CLPR.
Cache capacity (GB) = Standard cache capacity (GB) +
↑ ((Cache Residency capacity (MB) +
PCR capacity MB))/2,048) ↑ x 2GB
Overview of XP Disk/Cache Partition 12