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Environmental specifications

The following table lists the specifications of the environmental conditions for the VSP G1000, VSP G1500, and VSP F1500 storage systems. The differences between standard and high temperature modes are indicated when applicable.

Table 1: Environmental specifications

Item

Condition

Operating1

Not operating2

Shipping and storage3

Standard temperature mode (ºF/ºC)

60.8 to 89.6/16 to 32

-14 to 109.4/-10 to 43

-14 to 95/-10 to 3510

-13 to 140/-25 to 60

High temperature mode (ºF/ºC)

60.8 to 104/16 to 40

-14 to 109.4/-10 to 43

-13 to 140/-25 to 60

Relative Humidity (%)4

20 to 80

8 to 90

5 to 95

Max. Wet Bulb (ºF/ºC)

78.8/26

80.6/27

84.2/29

Temperature deviation per hour (ºF/ºC)

50/10

50/10

68/20

Gaseous contaminants11

G1 classification levels

Altitude

Standard temperature mode

-200 ft./-60 m to

9842 ft./3,000 m

-

Altitude

High temperature mode

-200 ft./-60 m to

4920 ft./1,500 m

-

Vibration5

5 Hz to 10 Hz: 0.25 mm

10 Hz to 300 Hz: 0.49 m/s2

5 Hz to 10 Hz: 2.5 mm

10 Hz to 70 Hz: 4.9 m/s2

70 Hz to 99 Hz: 0.05 mm

99 Hz to 300 Hz: 9.8 m/s2

Sine Vibration: 4.9 m/s2, 5 min., at the resonant frequency with the highest displacement found between 3 Hz and 100 Hz6

Random Vibration: 0.147 m/s2, 3, 30 min, 5 Hz to 100Hz7

Earthquake resistance (m/s2)

up to 2.512

-

-

Shock

-

78.4m/s2 (8.0G) 15ms

Horizontal: Incline Impact 1.22 m/s8

Vertical: Rotational Edge 0.15m9

Dust

Less than 0.15 mg per cubic meter of air

-

-

Noise Level

(Recommended)

90 dB or less13

-

-

Notes:

  1. Environmental specification for operation should be met before the storage system is powered on. Maximum temperature of 90°F/32°C at air system air inlet should be strictly met.
  2. Unless otherwise specified, the non-operating condition includes both packing and unpacking conditions.
  3. The system and components are packed in factory packing for shipping and storing.
  4. No condensation in and around the drives should be observed under any conditions.
  5. Vibration specifications are applied to all three axes.
  6. See ASTM D999-01, Standard Test Methods for Vibration Testing of Shipping Containers.
  7. See ASTM D4728-01 Standard Test Methods for Random Vibration Testing of Shipping Containers.
  8. See ASTM D5277-92 Standard Test Methods for Performing Programmed Horizontal Impacts Using an Inclined Impact Tester.
  9. See ASTM D6055-96 Standard Test Methods for Mechanical Handling of Unitized Loads and Large Shipping Cases and Crates.
  10. Applies only when flash module drives are installed.
  11. See ANSI/ISA-71.04-2013 Environmental Conditions for Process Measurement and Control Systems: Airborne Contaminants.
  12. Time is 5 seconds or less in case of the testing with device resonance point (6 to 7Hz).
  13. Fire suppression systems and acoustic noise:

    Some data center inert gas fire suppression systems when activated release gas from pressurized cylinders that moves through the pipes at very high velocity. The gas exits through multiple nozzles in the data center. The release through the nozzles could generate high-level acoustic noise. Similarly, pneumatic sirens could also generate high-level acoustic noise. These acoustic noises may cause vibrations to the hard disk drives in the storage systems resulting in I/O errors, performance degradation in and to some extent damage to the hard disk drives. Hard disk drives (HDD) noise level tolerance may vary among different models, designs, capacities and manufactures. The acoustic noise level of 90 dB or less in the operating environment table represents the current operating environment guidelines in which Hitachi storage systems are designed and manufactured for reliable operation when placed 2 meters from the source of the noise.

    Hitachi does not test storage systems and data drives (data drives includes HDDs, SSDs, and FMDs) drives for compatibility with fire suppression systems and pneumatic sirens. Hitachi also does not provide recommendations or claim compatibility with any fire suppression systems and pneumatic sirens. The customer is responsible to follow their local or national regulations.

    To prevent unnecessary I/O error or damages to the hard disk drives in the storage systems, Hitachi recommends the following options:

    • Install noise-reducing baffles to mitigate the noise to the hard disk drives in the storage systems.
    • Consult the fire suppression system manufacturers on noise reduction nozzles to reduce the acoustic noise to protect the hard disk drives in the storage systems.
    • Locate the storage system as far as possible from noise sources such as emergency sirens.
    • If it can be safely done without risk of personal injury, shut down the storage systems to avoid data loss and damages to the hard disk drives in the storage systems.

    Damage to hard disk drives from fire suppression systems or pneumatic sirens will void the hard disk drive warranty.

The following table lists the maximum acoustic emission values [loudness in dB(A)] for the VSP G1000, VSP G1500, and VSP F1500 storage systems in standard and high temperature modes.

Table 2: Acoustic emission levels
Item

Controller chassis

Temperature (ºF / ºC)

Fan speed (RPM)

Noise level (dB)

Standard temperature mode

60.8 to 77/16 to 25

4200

57.4

77 to 89.6/25 to 32

4700

59.5

High temperature mode (ºF/ºC)

89.6 to 104/32 to 40

7400

69.3

 

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