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Despite technological advances in the reliability of magnetic storage media, data loss continues to rise, making data recovery more important than ever. On track engineers have identified three trends that are leading to this increase in lost data.
Leading Causes of Data Loss
Hardware or System Malfunctions (44 percent of all data loss) Possible Symptoms Error message stating the device is not recognized Previously accessible data suddenly gone Scraping or rattling sound Hard drive not spinning Computer hard drive doesn't function Examples Electrical failure Head/media crash Controller failure Preventive Measures Protect electrical components by using computers in a dry, shaded, dust-free area Protect against power surges with an uninterruptible power supply (UPS) Do not shake or remove the covers on hard drives or tapes. Human Error (32 percent of all data loss) Possible Symptoms Previously accessible data suddenly gone Message similar to "File Not Found" Examples Accidental deletion or drive format Trauma caused by drop or fall Preventive Measures Never attempt any operation, like installations or repairs, with which you don't have experience Avoid moving your computer, especially when it's in operation Software Corruption (14 percent of all data loss) Possible Symptoms System messages relating to memory errors Software application won't load Error message stating data is corrupted or inaccessible Examples Corruption caused by diagnostic or repair tools Failed backups Configuration complexity Preventive Measures Back up data regularly Use diagnostic utilities with caution Computer Viruses (7 percent of all data loss) Possible Symptoms Blank screen Strange and unpredictable behavior Error message stating "File Not Found" Message announcing virus appears on screen Examples Boot sector viruses File infecting viruses Polymorphic viruses Preventive Measures Use a good anti-virus package Obtain software from reputable sources Scan all incoming data, including packaged software, for viruses Natural Disasters (3 percent of all data loss) Possible Symptoms While floods and earthquakes have obvious symptoms, brownouts and lightning strikes often leave no clues Examples Fires Floods Brownouts Preventive Measures Store tested backups in an off-site location Install a UPS Don't store critical data in a flood plain Let us know what services you’re interested in, and a Do-Backups.co.uk
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