Data Disaster Recovery – Restoring Information from Damaged Media

Very critical data used in business operations are often saved in storage media such as DVDs, CDs, hard disk drives, flash disks and other electronic devices. However, due to unexpected file errors and physical damages, contents stored on these devices may become corrupted or inaccessible at times. The process of recovering lost data from these storage media is called data disaster recovery.

Physical damages that usually happen on DVDs and CDs do not only cause loss of data but damage on the logical structure of the file system as well. Such damages may mean unrecovered data and thus, can’t be repaired anymore by an ordinary end user. Though technical experts can still salvage files stored on these devices through the use of Class 100 cleanroom facilities, this may be a bit costly. Another common recovery procedure is done by removing the damaged portion of the printed circuit board (PCB) and replace with another PCB from a healthy drive. This procedure is indeed highly technical in nature and thus, should only be done by experts to further protect the integrity of data stored on these damaged devices.

Aside from physical damage, another common cause of data loss on storage devices is logical damage. Power outage is one of the reasons why logical damage happens, thus preventing the file system structure to overwrite or save files on the storage medium. System crashes, and problems with hardware and drivers may also cause logical damage. Because of this, most operating systems such as Microsoft Windows, Linux and Mac have their own versions of repair tool used to recover data. Taking advantage of these tools can definitely make data disaster recovery a bit easier than expected.

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