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Before You Take the Plunge: Essential Information on Data Recovery
Know what you're dealing with
The world of data recovery is a big mystery for most consumers
and even some IT professionals. This is largely because hard
drives themselves are complex devices and their technological
specifics are not...
Business Continuity and Disaster Recovery - Selecting A Business Continuity Strategy
The risk analysis and business impact analysis have identified risks to key business functions. Also, the potential impacts and probabilities of these risks as well as the costs to prevent or mitigate damages and the time to recover will have...
Disaster Preparedness In A Post 9/11 World
So much has changed in the last several years after 9/11, and yet most businesses are still inadequately prepared for disastrous situations. Not only are they vulnerable from the threat of terrorism, but from security and natural disaster...
Do I Really Need to Backup?
Do I Really Need To Backup?
by Keith Thompson
Okay, computers a machine, right? Okay, maybe not yours. You
have this special relationship, but that a subject for
another article. Machines break. Software gets fouled up.
People make...
You Lost Your Data... Don't Panic!
Inability to access your data stored on the data storage device could be caused by many reasons, from those that are easy to fix to those which are completely impossible to fix. If the damage is irreversible then data loss will occur. The causes...
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Hard Dive Failure: What Is A Head Crash?
No one likes the thought of losing all of their valuable data,
but a hard drive head crash is a definite data destroyer. While
a recovery is possible in most cases, sometimes destruction of
the platters is so severe that the magnetic material is actually
wiped clean. There are cases every so often where the highly
reflective, mirror type finish, of a platter is completely
destroyed leaving what appears to be a clear piece of glass
behind.
A head crash occurs when the read-write head of a hard disk
drive touches its rotating platter. The head normally rides on a
thin film of moving air entrapped at the surface of the platter
(some drives of the mid-1990s used a thin fluid layer instead).
Higher capacity drives (using the same size and number of
platters) are obtained by running the head closer to the
platter. A tiny particle of dirt or other debris can cause the
head to bounce against the disk, destroying the thin magnetic
coating on the disk. Since most modern
drives spin at rates
between 5,000 and 15,000 revolutions per minute, the damage
caused to the magnetic coating can be extensive, as the crashed
head drags over the platter surface.
Depending on the extent of the damage, your data may be
unrecoverable. Regardless, it's important to leave the recovery
to a data recovery professional, or you may risk losing what
data is still available.
One thing to remember, if you feel that you have suffered a hard
drive crash, shut the computer off immediately. Do not reapply
power to the hard drive. The longer the drive operates with a
head crash, the more damage that is occuring and the more data
you are losing.
About the author:
Greg Duffield is the founder of ACS Data Recovery, a premier
provider of hard drive data recovery services. You can reach
them toll free at 1-877-646-0546 or on the web at http://www.acsdata.com
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