DATA RECOVERY—It's Better to Stay Prepared
DATA RECOVERYIt's Better to Stay Prepared
Data Recovery becomes the most crucial task during the event of data loss. In fact, we come to understand its importance when the situation arises. So, when can an even of data loss occur? Why does it happen? How can we avert it? Get some tech support to learn more about data loss and data recovery.
The Reasons Behind Data Loss
There can be several reasons why an event of data loss may happen:
1) Operating System crash
2) Hard drive crash, which is either a mechanical problem with the hard drive (hard disk problem) or a partition failure in the drive.
3) Accidental deletion of files and folders.
There could be several reasons why you may lose data. The operating system may get crashed due to virus attack, which eventually restricts you from accessing files. The obvious remedy would be the System Rescue CD, which can be used to handle the corrupted boot partitions and reload/repair the operating system. However, all possible efforts should be made to restore the system before we go for a total format. Because by going for total format, you will lose all your data.
Since the computer does not use the hard drive to boot when the rescue CD is used, we can do a lot of troubleshooting on the "free" hard drive. The hard drive is not free if it is being used for booting. As a result, effective troubleshooting cannot be done on it. Whenever the command prompt is accessible while running the rescue CD, the hard drive can be checked for physical and logical errors with various commands. Errors with system files can also be checked here. It is possible to recover data from not only hard drives but also from CD ROMs, flash drives, memory sticks etc. So lost photos can be recovered from memory sticks, which is a cool feature of a third party data recovery software.
If the hard drive crash is due to corrupted partitions only, then you can handle it with the help of some software. However recreation of partitions will cause total data loss. So it is better to get prepared before you can recreate partitions take necessary data backup.
A physical corruption of the hard drive cannot be repaired easily. The hard drive will have to be opened under controlled conditions to repair it, which is not quite possible without a fully equipped laboratory.
If you have deleted files or folders accidentally, it is better not to use the hard drive further for other works like saving newer files and folders etc. It is better to call a help desk specialist at this point of time. The more you use the hard drive after deletion of a specific file, lesser is the chance of a successful recovery of that file. It should be noted here that, rewriting of hard drive space after an accidental deletion of a file should be avoided. Actually, whenever a file gets deleted, the entry of the respective file in the hard drive gets deleted from a list that the hard drive maintains for a specific file. Bitwise deletion does not really take place, which makes that recovery possible. However, there are software available that can make a deletion permanent and no other software would be able to recover a file after it is deleted bitwise. Generally it is done at a drive level and not at a per file basis.
A few best practices:
1) If it is Vista Ultimate that you are using, then a Complete PC Backup on a separate media is recommended. It is like copying everything including dlls and executables, thereby making the backup copy an exact replica of your hard drive. This is not saved as an ISO image and hence, you cannot really use that back up media a "live" media. It means, you cannot use that to boot the system but you can use it to take back your computer to the exact configuration as it was before.
2) Instead of one hard drive with a huge space, consider using two hard drives of smaller size. Use one as the master and the other as the slave while installing them. It is very easy to access one hard drive from the other, no matter whether the problem is software-based or anything else.
3) More than one partition for a single hard drive is better.
4) For any problem, you can contact a help desk specialist before trying out anything blindly and hence worsening the matter.
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