HP XP20000/XP24000 HP StorageWorks XP24000/XP20000 Remote Web Console User Gui - Page 46

Estimating Licensed Capacity Based on Used Capacity

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Table 14 Licensed Capacity Type Type Used capacity Explanation How to Estimate the Licensed Capacity The licensed capacity is estimated using the capacity that the program product option will use. The estimated capacity differs depending on the program product option: See "Estimating Licensed Capacity Based on Used Capacity" (page 46). • Normal volumes (local volumes) • External volumes mapped to the storage system • Pools Mounted capacity Unlimited capacity The licensed capacity is estimated using the capacity mounted in the entire disk drive of the storage system. See "Estimating Licensed Capacity Based on Mounted Capacity" (page 47). You can use the program product option, regardless N/A of the volume capacity. Estimating Licensed Capacity Based on Used Capacity There are three capacities to use for estimating the licensed capacity, depending on the program product option: • Normal volume capacity The method to calculate normal volume capacity depends on the volume emulation types. Table 15 Methods for Calculating Capacity of a Normal Volume Volume Emulation Type 3380-x 3390-x OPEN-x Formula for Calculating Capacity of a Normal Volume 720 KB x (number of user cylinders) 870 KB x (number of user cylinders) Same as the capacity specified when creating the volume. NOTE: In the left column of Table 15 (page 46), 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 Table 15 (page 46) to estimate capacity for purchase. An example is given in Table 16 (page 46). Table 16 An Example of Estimating Capacity for Purchase Based on Used Capacity Item Volume emulation type Number of user cylinders Number of volumes Total capacity of all the volumes Value 3390-3 3,339 2,048 870 KB x 3,339 x 2,048 = 5,949,296,640 KB 5,949,296,640 KB 1,024 = 5,809,860 MB 5,809,860 MB 1,024 = 5,673.70 GB 5,673.70 GB 1,024 = 5.54 TB Estimated capacity for purchase At least 6 TB • External volume capacity The method to calculate external volume capacity is as follows: 46 Installation Requirements and Procedures

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Table 14 Licensed Capacity Type
How to Estimate the Licensed Capacity
Explanation
Type
See
“Estimating Licensed Capacity
Based on Used Capacity” (page 46)
.
The licensed capacity is estimated using the
capacity that the program product option will use.
The estimated capacity differs depending on the
program product option:
•
Normal volumes (local volumes)
•
External volumes mapped to the storage system
•
Pools
Used capacity
See
“Estimating Licensed Capacity
Based on Mounted Capacity”
(page 47)
.
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
Estimating Licensed Capacity Based on Used Capacity
There are three capacities to use for estimating the licensed capacity, depending on the program
product option:
•
Normal volume capacity
The method to calculate normal volume capacity depends on the volume emulation types.
Table 15 Methods for Calculating Capacity of a Normal Volume
Formula for Calculating Capacity of a Normal Volume
Volume Emulation Type
720 KB x (number of user cylinders)
3380-x
870 KB x (number of user cylinders)
3390-x
Same as the capacity specified when creating the volume.
OPEN-x
NOTE:
In the left column of
Table 15 (page 46)
,
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
Table 15 (page 46)
to estimate capacity for purchase. An example
is given in
Table 16 (page 46)
.
Table 16 An Example of Estimating Capacity for Purchase Based on Used Capacity
Value
Item
3390-3
Volume emulation type
3,339
Number of user cylinders
2,048
Number of volumes
870 KB x 3,339 x 2,048 = 5,949,296,640 KB
5,949,296,640 KB
1,024 = 5,809,860 MB
5,809,860 MB
1,024 = 5,673.70 GB
5,673.70 GB
1,024 = 5.54 TB
Total capacity of all the volumes
At least 6 TB
Estimated capacity for purchase
•
External volume capacity
The method to calculate external volume capacity is as follows:
46
Installation Requirements and Procedures