Importance of Backing Up Hard Drive and Data Recovery Methods


Most people undermine the semblance of technology in their lives, as they inconsiderably and irrefutably take it for granted. But the fact is no technology; no matter how efficiently built is 100% robust, safe and formidable. Consider the simple case of your hard drive which stores all your personal data. Imagine yourself waking up the very next morning of your life to find that everything’s just vanished. Spare the Mayans; it would be your personalized version of doom’s day then.

Importance of Back-up

The point is all your data is stored on an electromechanical device – your hard drive; and just like any other device it is prone to a few occasional glitches. Besides, if you are connected to the internet, there is a possibility of a remote virus/spyware attack, which can potentially flush off/corrupt your personal data. Not to mention the fact that once the data is wiped off, re-creating it again requires considerable amount of time and monetary resources to be wasted.

For a fact, American businesses had lost over $8 billion in the latter half of 2001, due to the computer viruses. The gravity of this problem can be further realized when you are talking about mainframe servers which stores records of millions of users online. Hence, as the substantiality of the information stored cannot be defied, it is very important to back yourself up to maintain timely back-ups of your data. Backing up your content is no rocket science.
There are plenty of options available. You can use CDs, DVDs, tape drives, flash drives, external HDDs, network drives, etc. Besides you can also use the live storage facilities provided by pioneer companies like Amazon, Microsoft, Apple, etc. to upload and store your content online. The advantage with the latter mentioned method is apparently the convenience and the cost factor. You pay only for how much you store.

What If My Data is Already Lost?

Well, if you are already too late in reading this post and have your data wiped off already, here’s the catch. In case the data has been lost due to a potential virus attack, there are data-recovery methods available which can help you regain your lost data. In case you are wondering as to how this is possible, here’s the explanation:

When you permanently delete (Shift +Delete) any file from your computer, the OS just marks those chunks of memory as free. Eminently, it does not write zeroes into those locations (which is called “shredding” or secure deletion of data).

Hence, until and unless a new file has been written into the same location, your data can be recovered using some sophisticated Recovery tools. There are also facilities like, “Online data recovery” available, where a highly qualified technician helps you recover your indispensable data.
The thing to note over here is that the data recovery method only works if your hard-disk is not physically damaged. In case of any physical setbacks, one may have to interchange the PCB (printed circuit board) of the HDD with another HDD and look to invoke read/write functionalities.
In case the data is highly sensitive and the drive is physically damaged, professional techniques like SPM (Scanning probe microscopy) and MFM (Magnetic force microscopy) can be applied to recover the data.

One thought on “Importance of Backing Up Hard Drive and Data Recovery Methods

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