HPE XP7 User Manual page 48

Physical Usable Capacity * Duration (number of days)= TB-Days Meter based
Term license
IMPORTANT:
• Additional physical usable capacity refers to the physical usable capacity that is beyond the
Permanent licensed capacity.
• A Meter based Term license cannot be installed on multiple management stations.
• Multiple Meter based Term licenses can be generated and installed on a management station. In
such cases, the licenses are used successively.
For more information on generating and installing Meter based Term license, see Generate licenses at
the HPEAC license key website on page 60 and Add licenses on page 62.
About meter based term license requirement
Meter based Term licenses are useful when you want to monitor an additional physical usable capacity for
a defined duration or when there is an unplanned surge in the physical usable capacity that might
subsequently reduce. For steady state license requirements, use Permanent licenses. For dynamic
license requirements arising out of varying business needs, use appropriate TB-Days of Meter based
Term license.
IMPORTANT:
For the installed TB-Days to function properly, you must install a minimum of 1TB Permanent
license.
The following image illustrates the above mentioned cases.
Example scenario 1
Consider that a small-sized company books air tickets online for its customers. The company has one
XP7 disk array of 75TB physical usable capacity. A Permanent license is installed on 01/01/2016 to
monitor the 75TB physical usable capacity. Based on the heavy online booking trend during December'15
- January'16 time frame due to Christmas and New Year celebrations, the company is expecting a surge
in the online booking traffic beginning December'10 and continuing till the end of 1st week of January'11.
The company is confident that at least 50TB additional physical usable capacity is required during this
time frame (estimated 39 days).
In such cases, the company has two options:
48 PA Licenses