Hp XP20000XP24000 Disk Array Uživatelský manuál stáhnout pdf (Strana 43)

Note

: When the license key for a program product expires, the license key of a program product which

requires the expired program product will be also disabled.

Licensed Capac

ity

The licensed c

apacity is volume capacity that you are licensed to use with a program product o ption.

You need to est

imate the amount of volume capacity that you want to use with the program product

option before

you purchase the permanent key or the term key. The licensed capacity has three types

depending on the progra m product option.

This section explains the licensed capacity t ypes and how to estimate the licensed capacity. For

details on wh

ich licensed capacity type to be estimated for the program product option, see

“Remote Web Console Options” on page 44.

The licensed capacity has three types:

• Used capacit

The licensed capacity is calculated from the capacity that the program product option will use.

See below for how to calculate the licensed capacity .

• Mounted Capacity

The license

capacity is calculated from the capacity mounted in the entire disk drive of the

storage system. For details on how to calculate the licensed capacity, contact your HP service

representative.

• Unlimited C

apacity

You can use the program product option regardless of the volume capacit y.

The following explains how to calculate the licensed capacity based on the used capacity. The method

for calculating volume capacity depends on volume emulation types.

Table 10 Met hods for Calc ulating Capa c it y of a Volume

Volume Em ulatio n Type

Formula for Calc ulating Capacity of a Volume

3380-x

720 KB × (The number of user cylinders)

3390-x

870 KB × (Th

enumberofusercylinders)

OPEN-x

Same as the capacity that you 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

typessuchasOPEN-3and OPEN-V.

You can use the formulas in Table 10 on page 43 to estimate capacity for purchase. An example

given below:

Table 11 An 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

870KB×3,339×2,048 =5,949,296,640 KB

5,949,296,640 KB ÷ 1,024 = 5,809,860 MB

5,809,860MB ÷ 1,024= 5,673.70 GB

5,673.70 GB ÷1,024 =5.54 TB

Estimated capacity for purchase

At lease 6 TB

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