Thursday, September 30, 2010

Hard Drive Data Recovery - The problem with water


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It's not a good idea to have a hard drive immersed in water. The hard drive enclosure is not impermeable and stretch his abilities filtration to the removal of impurities in the air, but nothing against the entry of any, but to prevent access most of the smaller trials of water in the system.

Sorry, we do not always have the choice. When you open the sky, or a hurricane, the sea brings to the country's immediate priorities "getting the **** outta here" tends to make the dataStorage devices are at the mercy of the elements and it will subside once the aquatic problems that truly reveals the consequences.

First, water has an impact on the electronics, the commissioning of the drive will result in electricity generation places where you do not really think it maybe a smoke or two, if the device was then stretched in water, the problems continue.

The drying out of the plate might not be enough. When water is made in the HDA, thenResulting problems are serious. In general, water associated with this type of problem is flooding, and so contains a number of impurities. (Note: Some of these contaminants are hazardous to human health as well as drive mode).

These impurities are coating the surface of the disk platter inside the hard disk unit and make the read / write heads useless. Attempts to run the drive as soon as the moisture is finally success may be going out (although rare), butdamage in the interior of the device is held, that the data will be shortly in destruction.

The drive heads airflow rely on a smooth shiny surface and a rough dirt covered will be ultimately in contact between the heads and a plate at 10,000 U / could be rotating lead min.

We have been sent rings, where the plates do not appear damaged on the first server, but on closer examination of data from the disk are surface scratches and there where the headshave marked the surface as it passes by, and often there are grooves in the surface caused by a sever contact.

What not to do?

Get yourself out of your life or health.

Trying to get equipment from, for example, a flooded basement is a very dangerous act. Flooding is usually not clean, they can carry disease and can hide obstacles that could leave an untrained person trapped, or even drown.

Leave the heroics to the professional, if theyhave done their work, then you can do yours.

What can be done

To be taken with a water damaged hard drive on this. First, check that the data from your hard drive, if avoided, where it elsewhere a lot of pain can be.

be cleaned thoroughly at the beginning of the whole assembly, there is no place for a risk as any residue could cause a serious problem.

Normally, the heads must be replaced. Attempting to cleanHeads is a last resort option only tries to find out the hard drive out of date long-term and not a substitute to be obtained.

In some cases, the effect of water and dirt into problems with the spindle bearing and the drive is no longer lead turn platter. This is probably the most serious problem since then have the drive (s) to a new working group housing be transferred. With single platter drives, this is not too severe, but with multi-platter hard drives, the chances of loss ofprecise alignment between the plates is large, and with it any chance of recovering the data.

The prognosis is usually good when the recovery will be attempted soon after the water damage done and not just plugging the hard drive to see what happens. We have plates, where the opportunity to the rest of the data was lost many have run disk cleanup, previously passed through without a process, with the result that the heads and diskdamaged, often incurable.

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