Fujitsu ETERNUS AF250 Manuale di pianificazione del sito - Pagina 16
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1.
ETERNUS AF Installation
Installation Environment
Installation Environment
Sufficient consideration of the installation environment should be taken to ensure proper use of the ETERNUS
AF. Using the ETERNUS AF in an environment that does not satisfy the installation environment requirements
may cause a failure to occur with the ETERNUS AF.
Installation of the ETERNUS AF in High Altitude Locations
When the ETERNUS AF is used at high altitudes (1,800m or higher above sea level), "Highland Mode" must be
enabled. When "Highland Mode" is enabled, the fans rotate at high speed to maintain the cooling effect of the
fans.
•
To set "Highland Mode", perform the subsystem parameter settings for each ETERNUS AF. The Maintenance
Operation policy is required to perform this setting.
•
The "Highland Mode" setting cannot be changed during a host access.
After the setting is changed, the ETERNUS AF needs to be turned off and on again.
•
Air Conditioning
It is important to consider the flows of cooling air (intake air and exhaust air) for the installation location of the
ETERNUS AF. The temperature in some ETERNUS AF storage systems may rise by taking in air exhausted from
other storage systems depending on how they are installed near each other. In addition, check if the ambient
temperature in the installation location always satisfies the usage environment temperature by taking into con-
sideration the room size, whether other storage systems are installed, and how many people are present in the
room.
When installing air conditioning, consider the following:
●
Ambient Temperature
An ETERNUS AF is cooled by taking in air through the front intakes and pushing out the exhaust air through the
rear of the ETERNUS AF. If the intake air temperature does not meet the ambient environment conditions, a
temperature error occurs and the power of the ETERNUS AF is shut down.
Front intake air temperature
•
Make sure that the front intake air temperature is between 10 and 40°C.
Rear exhaust air temperature
•
For example, when the intake air temperature is 40°C, the exhaust air temperature is 50°C or higher.
The necessary cooling capacity of air conditioning must be determined by taking the exhaust air cooling into
consideration.
Estimate the amount of heat in the exhaust air from the ETERNUS AF by using the heat generation amount
and exhaust air amount that are listed in
"Installation Specifications" (page
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays Site Planning Guide
Copyright 2021 FUJITSU LIMITED
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P3AG-1812-06ENZ0