Russian Federation
UDC 614.84
UDC 004.056
The article discusses the problem of damage to hard magnetic disk drives in the server rooms of data centers caused by intense acoustic effects when automatic gas fire extinguishing and sound alarm systems are activated. The noise level, reaching 130 dB, generates vibrations that lead to physical damage to the disks (the appearance of «dead» sectors) or the software shutdown of devices by controllers due to resonant phenomena. An innovative method of data protection is proposed, based on preventive, synchronized with the operation of the fire extinguishing system, forced parking of the hard disk drive read/write heads in a safe zone. Three technical variations are considered.
data integrity, hard disk drive, server room, automatic fire extinguishing system, acoustic vibration, head parking, data center, resonance, uninterruptible power supply
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