Licensed capacity type, An example of estimating capacity for purchase – HP StorageWorks XP Remote Web Console Software User Manual
Page 54
, page 54 explains the licensed capacity types and how to estimate the licensed capacity.
For details on which licensed capacity type to be estimated for the program product option, see
“
Table 13 Licensed Capacity Type
How to Estimate the Li-
censed Capacity
Explanation
Type
See
The licensed capacity is estimated using the capacity that
the program product option will use. The estimated capa-
city differs depending on the program product option:
•
Normal volumes (local volumes)
•
External volumes mapped to the storage system
•
Pools
Used capacity
Contact your HP service
representative.
The licensed capacity is estimated using the capacity
mounted in the entire disk drive of the storage system.
Mounted capacity
N/A
You can use the program product option regardless of the
volume capacity.
Unlimited capacity
The following sections explain how to estimate the licensed capacity based on the used capacity.
Depending on the program product option, three capacities can be used tor estimate the licensed
capacity:
•
Normal volume capacity
•
External volume capacity
•
Pool capacity
Normal volume capacity
The method to calculate normal volume capacity depends on volume emulation types.
Table 14 Methods for calculating capacity of a normal volume
Formula for Calculating Capacity of a normal volume
Volume Emulation Type
720 KB x (The number of user cylinders)
3380-x
870 KB x (The number of user cylinders)
3390-x
Same as the capacity that you specified when creating the volume.
OPEN-x
In the left column of this table, x indicates a number or a letter. For example, OPEN-x refers to emulation
types such as OPEN-3 and OPEN-V.
You can use the formulas in
on page 54 to estimate capacity for purchase. An example is
given in
Table 15 An Example of Estimating Capacity for Purchase
Value
Item
3390-3
Volume emulation type
3,339
Number of user cylinders
Installation Requirements and Procedures
54