Sunday 28 July 2013

Hard Drive Failure Factors and Recovery - Computers

Hard Drive is a non-volatile storage device used for permanent data storage. It stores electronic data on the magnetic surface that is layered onto the platters of hard drive. It is most popular and reliable storage media because it can store more data than other popular storage media.The major internal factors that can be instrumental in drive failure and data loss are spindle motor stop, head crash, power cycling and heat. Spindle Motor Stop: - Hard drive has a spindle on which the disk platters spin at a continuous RPM. It spins along and between the platters on a common arm are read-write heads. When the motor stop, the head can't move and can't read the data written on the disk platters. It results in inaccessible data. Head Crash: - The most common hard drive failure factor is Head Crash. The internal read write head of a drive touches a platter often crushing the magnetic surface. Head float just micrometers from the platters plane which makes such collision a com mon one. Power Cycling: - Power cycling of the hard drive may result in drive failure. It may cause and short circuit in the drive. It can be completely eliminated by using an UPS. Heat: - The ambient temperature of the computer and hard drive may cause drive failure. The temperature may increase due to stop of the internal fan and high environmental temperature. Have you ever faced any of the above problems? If yes, then you need for Hard Drive Data Recovery. You can recover all you lost data due to any of the above reasons. Hard Disk Data Recovery: - Hard disk recovery is the method of recovering and restoring the inaccessible data from the damaged hard drive. It is used when the data can not be accessed by normal accessing methods. Several techniques are used for retrieving lost data from the damaged drive and these are different according to the type of file deletion. Two broad categories are: - 1. Hardware solutions: - it can be done by replacing the damaged part of th e drive like motor and head. Sometimes, platters have to be removed from the disk and placed in other drive for accessing these data.These solutions can be used by the normal user, because it needs clean rooms and proper hardware expertise. 2. Software solutions: - it can be done by attaching the drive to other CPU and installing the data recovery software on healthy and running drive. Here, user can scan the lost files or data and can restore them.This is the best solutions of logically damaged drive. Or if the drive is physically damaged, then also you can recover the stored data by using hard drive data recovery software. In this way, you can recover all your lost data, no matter what is the reason of data loss. In these failure cases of drive, you can recover data using software, but the physical repairing of the drive is possible only in the clean labs.





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