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

Recommended Cache Capacity CLPR Data Capacity
40 GB or more 182,000 GB or more
48 GB or more 218,000 GB or more
56 GB or more 254,000 GB or more
64 GB or more 290,000 GB or more
72 GB or more 326,000 GB or more
To calculate the data capacity:
The number of 3D+1P parity groups x capacity of one HDD x 3
+ the number of 6D+2P parity groups x capacity of one HDD x 6
+ the number of 7D+1P parity groups x capacity of one HDD x 7
+ the number of 2D+2D parity groups x capacity of one HDD x 2
To calculate the cache capacity for a CLPR:
Cache capacity (GB)
=Recommended cache capacity (GB)+
(Cache Residency capacity(MB)/2,048) x 2 GB
About Disk/Cache Partition 12