There's much information for those persons who are interested in RAID recovery. The usage of built-in Raid controller may require the Raid array restoration. Let us look at the instance. After you've equipped a Raid array on an embedded chip set controller from AMD SB 600. You're glad when it acted, but there became a time to follow contemporary technologies. Of course you should have settled to choose Intel Core processor. You've chosen a main board, but there is a built-in controller ICH9R, replaced winchesters and Raid array cannot be determined. There're 2 ways out obtainable for you:
1. There's a method of receiving new hard disks and making a new Raid array on them. In this case you will have to transfer the old info to new hard drives and spend a great amount of time to restore previous Raid array.
2. Or you can apply to a “Data recovery laboratory” where your Raid array would be restored for some certain sum of funds and during little term by facilities of data transportation. And in the case when a person use external Raid array the problem will disappear by itself. It happens so because it is required only to transport a controller with hard disks. One more problem is that the built-in Raid controllers that are accessible in the market, are semi-hardware. And such controllers may restore just the arrays 1, 0+1, 5 and they don't utilize the other means of file restoration.
The usage of “mirroring” as guarantee of protection. Some persons say that if you wouldn't utilize stripe (Raid 0), you are surely protected from Raid arrays and data restoration. But there are difficulties such as electricity failures, driver difficulties in OS, virus attacks that would make you lose all your files from all the hard drives and no “mirroring” will assist you. So, what people may do in this case? The only thing you have to do in this situation is to strive to restore all the data from Raid array or recover your Raid array in whole. The cleverest point you can do here is to switch off your computer and take it to a data recovery expert or to receive a professional software. Only making these steps you will get an ability to save and recover your info from Raid arrays. The basic thing is that it is rather difficult to recover files on a hard drive with hard problems. There are a large number of various unerase facilities on the internet that may be useful for persons who demand to recover Raid arrays.
The situation when all the parameters of the main board's BIOS came to zero. In some situations BIOS and operating system can't identify Raid arrays because the battery discharges and after charging it can be invisible to the system. Such things occur when BIOS parameters are made on default. There you may confront the situation when unqualified individual would come, reinstall operating system and say that the files couldn't be recovered. As a rule, such problems must be solved just by a skilled specialist person. A professional person will come to you, take your PC, understand a problem and resolve it in some seconds and without any confusion.
Raid 0 and the restoration of information from it. Human Programmer claim that if one of the hard disks would fail during the utilization of raid array all the data will be lost. It is true. You are just to go for professional assistance or to receive specialized restoration software that will help you in any situation. The following step by you will be the buying of a new hard disk and recovering the information on it. So, if you're interested in NTFS recovery you are to go on the internet search.
October 3rd, 2008
There are many methods to perform data recovery and current article describes part of them. All that you require to know is written further. We will show how you may recover it and not to lose other important data and to resolve lots of other problems connected to information loss.
If you asked for assistance of some expert he would claim that it is not wise to save all the important information just on the HDD as it is easy to lose it. Unlike CDs and other kinds of data carriers HDD is a mechanical system which wears out as any other mechanical system. Except mechanical breakdowns there are many different ways to lose the data saved on your HDD.
In case you have been working in computers field at least for several years you should remember that one of the most popular programs of info recovery was fdisk. The main disadvantage of usage of this utility is that it is really hard to use and it may be properly applied only by a programmer.
File systems
The technique of saving and spreading the data on the HDD is usually defined by a file system. Every HDD is separated on some sectors. These sectors are called partitions. Even not quite experienced user can easily announce that there are two types of file systems and remembers their codes NTFS (NT File System) and FAT (File Allocation Table). FAT is earlier system that was utilized in DOS as FAT-16 and in Windows 9x/ME as FAT-32. The basic difference between these systems is the capability of the system. That is difficult to believe that users utilized FAT-16 and had disks not greater than 2 GB. Producers of Windows of the newest versions gave the possibility for the users to operate with both FAT and NTFS systems.
The main reason why modern versions of Windows operate with NTFS as a main system is that it has got nicer level of safety. It has become probable to set access rights for any file with use of NTFS system. The most important part of data for the OS is the boot record and disk partition table which are located in the initial sector of any disk. System won't operate appropriately and OS won't start if there are some problems with this information.
Data recovery
When you realized that you have erased some needed data you have to stop executing any operations with any data to execute ntfs partition recovery. Of course there are some system operations which are executed by the OS but it won't affect the restore result. The same operations should be performed when you accidentally erased some significant data from the recycle bin. If you marked the new partition the data from the erased one is still on the surface of the HDD.
The most uncomfortable case is when your disk has got only one partition. You have to look for the other computer and connect your disk to it then. It is more convenient to work with the HDD form another computer.
Data recovery utilities
Another thing you should always mention is you don't have to reinstall the operating system not to erase the information ultimately. There are some software programs which permit you to boot the computer under the control of the some special operating system.
There are many sites in the network that offer you to download shareware or freeware solutions which can assist you to execute ntfs undelete. Producers of restore solutions understand that data really has got the great price.
September 9th, 2008
We live in the epoch when info or data has become increasingly more valuable. Sometimes it befalls so that information gets lost. Persons usually believe that nothing would happen with the data which is of high importance, that's why a threat to lose it occurs. However, it would be reasonable to take precautions against both physical and logical damage to the storage system.
Media may be failed physically at any moment and in any computer. For instant, a compact disk or digital versatile disk carrier may be corrupted of scratched and you will lose the information on of the failed layers. Hard disk may stop functioning too, when its head will be broken or its motor stop. Today appeared several peculiar ways of file recovery, you can see them on the web. They suggest chill your HDD or rotate it in a particular mode. But restoration specialists claim that such modes are shady. These methods can fully damage your hard disk drive and you will not be able to recover your information at all. Moreover, even if you do all the things correctly, the additional damage may still occur. There are lots of programs that are available for user, but professionals apply special complicated tools and work in dust free atmosphere.
After the emergence of physical corruption, specialist will create an image of the files from your hard disk drive. In most cases physical damage brings to logical corruption as well. After the image has been made, file recovery programs are begun to attempt to salvage the information and fix the logical corruption of the file system.
Some cases of physical damage demand that damaged components of the hard disk have got to be replaced. Experts can replace a broken printed circuit board or the corrupted read/write head for a healthy one. It makes probable to apply various hard drive recovery products in restoration of hard drive.
The most common problem with data restoration is logical corruption. Power cut is 1 of the most common causes of it. This occasion doesn't give a possibility for several bits of info to be written onto the hard drive completely. The system cannot recognize this data, because it is saved by pieces and it becomes undecipherable. It appears as negative disk space with endlessly recursive file systems. Although most computer systems have some built-in soft to resolve a problem of logical corruption, in many cases it doesn't do the job properly and you need to start shopping for third party hard disk drive restoration tools.
The greatest way to avoid logical corruption is to prevent it. You are to do regular checkups and other preventive measures such as maintenance. After that, you will be sure that your data is in safe. When you are testing the files and file systems, you should pay careful attention to their consistency. You're to correct all the logical damages if you detect such during examination. Also you may have diverse modern tools that combine the system of journaling and assists in recovering your database for the last successful result.
There's some debate in the file restoring hard drive community whether rewritten data may be restored. There's no clear answer, but most of them think that rewritten information cannot be regained.
August 1st, 2008
This is the information that may help persons, who have difficulties with data restoration or problems with loss of data. Data loss may happen to anybody. We may mark out two kinds of this difficulty, they are: hardware failure and data corruption. If you have physical damage of HDD you may only take it for service, but you do not need to go somewhere to resolve a difficulty of logical info corruption. Statistics show that about ninety five percent of data problems are related to logical corruption. And it's definitely greater that physical failure of hard disk drive. There are a lot of different factors that can cause info corruption, such as OS failure, power outages, accidental users, different types of viruses etc. Fortunately, you can easily resolve these sorts of difficulty using various recovery programs that will free you from a need of taking HDD to a data centre.
Up-to-date data recovery tools give an ability to undelete erased documents, restore partitions, recover disk drives after more sophisticated programs that are various and much more efficient than Windows built-in tolls as checkdisk and so on.
Today, the market is crammed with various disk repair and file recovery software. Producers contend in costs and specification of their software, but usually it's only done for official papers. What will you choose among this variety of suggestions, if you're a usual user?
Data recovery software is here to help you get the tool that suits your funds by examining the many recovery programs in true-to-life conditions. Of course, sometimes it is difficult to catch the goal of this or that software and decide will it be useful for you or not. Some programs may recover lost file but cannot repair errors to the file system or partition tables. Some other programs may work with disk recovery software but do not make data support. We may see today some programs that may resolve all the problems at once, but they are complex and expensive yet. They are the tools of professional and user-friendly grade, and may connect complex algorithm with simple consumer interface. There are recover deleted files and special output to restores numerical pictures from flash memory cards. Our Review Blog will put these products through different tests, and will mark out the varieties in plain English. Don't forget to look over our reviews!
July 31st, 2008
