IBM DS8882F, Введение и руководство по планированию

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Table 42. Temperatures and humidity with the power off
Measurement Value
Temperature 10 - 43°C (50 - 110°F)
Relative humidity 8 - 80%
Wet bulb temperature (maximum) 27°C (80°F)
In storage:
Plan for the required temperature and humidity ranges when the storage system is
in storage.
Table 43 provides the temperatures and humidity requirements for storing your
storage system.
Table 43. Temperatures and humidity while in storage
Measurement Value
Temperature 1 - 60°C (34 - 140°F)
Relative humidity 5 - 80%
Wet bulb temperature (maximum) 29°C (84°F)
Corrosive gasses and particulates
Plan for air quality that meets standards for corrosive gases and particulates.
The storage system is designed to operate reliably in a general business-class
environment. A general business-class environment is one that has automated
24x7x365 temperature and humidity controls and also operates with G1
specifications for corrosive gases and P1 specifications for particulates.
Operating vibration and shock requirements
The vibration levels that are designed for the storage system comply with class V1
requirements included in the product classes for vibration.
The storage system is designed to operate under the vibration V1 levels that are
described in Table 44. Additional information includes random vibration PSD
profile breakpoints and operational shock levels. See Table 45 and Table 46 on page
98.
Table 44. Vibration levels
Class grms g Peak Sine
1, 2
V1L 0.10 0.06 @ 50 and 60 Hz
Notes:
1. All values in this table are in g
2
/Hz
2. g is the peak g level of an approximate half-sine pulse.
Table 45. Random vibration PSD profile breakpoints
Class 5 Hz 17 Hz 45 Hz 48 Hz 62 Hz 65 Hz 150 Hz 200 Hz 500 Hz
V1L 2.0x10
-7
2.2x10
-5
2.2x10
-5
2.2x10
-5
2.2x10
-5
2.2x10
-5
2.2x10
-5
2.2x10
-5
2.2x10
-5
Note: All values in this table are in g
2
/Hz.
Chapter 6. Delivery and installation requirements
97