Calculating licensed capacity for a normal volume
The calculation of the normal volume capacity depends on the volume emulation type. Use the formula in the following table to estimate capacity for purchase. When you calculate the volume capacity, round the value up to the second decimal place.
Formulas for calculating capacity of a normal volume
|
Volume emulation type |
Formula for calculating capacity of a normal volume |
|---|---|
|
3390-x |
870 KB X (number of user cylinders) |
|
OPEN-x |
Same as the capacity specified when creating the volume |
|
Note: 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. |
|
An example is shown in the following table:
Example of estimating capacity for purchase
|
Item |
Value |
|---|---|
|
Volume emulation type |
3390-3 |
|
Number of user cylinders |
3,339 |
|
Number of volumes |
2,048 |
|
Total capacity of all the 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 / 1,024 |
|
Estimated capacity for purchase |
At least 6 TB |
5,673.70 GB