HP XP RAID Manager Software - Manual (Page 56)

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The number of effective days is decremented by one day when the date is changed.
For example, if the term key is set to be enabled for 150 days at the time of installation and
the term key is disabled for 100 days and a total of 250 days have elapsed since the
installation, the number of remaining effective days of the term key is 215 days. This is
determined by subtracting 150 days from 365 days. By disabling the term key on the days
when the program product is not used, you can prevent the unnecessary decrease of the
period in which the term key can be used.
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If the term key is expired, Not Installed displays in the status filed of the License key window,
and the program product is disabled.
Using the temporary key
You can use the temporary key for trial purposes. The effective term is 120 days from the time of
installation of the temporary key. The effective term is not increased even if the temporary key is
reinstalled during the effective term.
If the temporary key expires, you cannot reinstall the temporary key for 180 days. Expired displays
in the status field of the License Key window, and the program product is disabled.
Using the emergency key
You can use the emergency key if the license key cannot be purchased if an emergency such as
a system failure or a communication error.
You can also use the emergency key if the configuration of the program product that is installed
by the temporary key remains in the changed status and cannot be restored to the original status.
For example, if you do not plan to purchase the program product after using the temporary key
for trial purposes, you can restore the changed configuration to the original status by temporarily
enabling the program product by the emergency key.
CAUTION:
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If the emergency key is installed in the program product in which the permanent key, the term
key or the meter key is installed, the effective term of the license key is 30 days. However,
because the emergency key can be reinstalled during the effective term, the effective term can
be restored to 30 days.
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In other scenarios, the emergency key can be installed only once.
Using the meter key
The meter key is used for the program product in which the permanent key is installed if the used
capacity exceeds the licensed capacity of the permanent key.
For installing the meter key, the permanent key must be installed in advance. If another key than
the permanent key is installed, the meter key cannot be installed.
The licensed capacity of the meter key is checked at 13:00 every day based on the time of the
SVP. At this step, the used capacity per day is subtracted from the licensed capacity of the meter
key. If another function is being used, the check might be delayed.
Calculating the effective term of the meter key
The effective term of the meter key is calculated from the following three types of capacities.
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The used capacity
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The licensed capacity of the permanent key
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The remaining licensed capacity of the meter key
The calculation formula is as follows.
56 License keys